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13029660 = 223557383
BaseRepresentation
bin110001101101…
…000100011100
3220111222100000
4301231010130
511313422120
61143134300
7215515230
oct61550434
926458300
1013029660
11739a416
124444390
132912877
141a325c0
151225990
hexc6d11c

13029660 has 144 divisors (see below), whose sum is σ = 46964736. Its totient is φ = 2970432.

The previous prime is 13029637. The next prime is 13029683. The reversal of 13029660 is 6692031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13029637) and next prime (13029683).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33829 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (326144).

Almost surely, 213029660 is an apocalyptic number.

13029660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13029660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23482368).

13029660 is an abundant number, since it is smaller than the sum of its proper divisors (33935076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13029660 is a wasteful number, since it uses less digits than its factorization.

13029660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13029660 is about 3609.6620340414. The cubic root of 13029660 is about 235.3121549653.

It can be divided in two parts, 13029 and 660, that added together give a square (13689 = 1172).

The spelling of 13029660 in words is "thirteen million, twenty-nine thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 243 252 270 315 324 378 383 405 420 486 540 567 630 756 766 810 945 972 1134 1149 1215 1260 1532 1620 1701 1890 1915 2268 2298 2430 2681 2835 3402 3447 3780 3830 4596 4860 5362 5670 5745 6804 6894 7660 8043 8505 10341 10724 11340 11490 13405 13788 16086 17010 17235 20682 22980 24129 26810 31023 32172 34020 34470 40215 41364 48258 51705 53620 62046 68940 72387 80430 93069 96516 103410 120645 124092 144774 155115 160860 186138 206820 217161 241290 289548 310230 361935 372276 434322 465345 482580 620460 651483 723870 868644 930690 1085805 1302966 1447740 1861380 2171610 2605932 3257415 4343220 6514830 13029660