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13396880 = 245747509
BaseRepresentation
bin110011000110…
…101110010000
3221012122001202
4303012232100
511412200010
61155050332
7221604650
oct63065620
927178052
1013396880
117620302
1245a09a8
132a10a63
141aca360
1512996a5
hexcc6b90

13396880 has 80 divisors (see below), whose sum is σ = 36426240. Its totient is φ = 4486656.

The previous prime is 13396861. The next prime is 13396913. The reversal of 13396880 is 8869331.

13396880 = T1329 + T1330 + ... + T1343.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 26066 + ... + 26574.

It is an arithmetic number, because the mean of its divisors is an integer number (455328).

Almost surely, 213396880 is an apocalyptic number.

13396880 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 13396880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18213120).

13396880 is an abundant number, since it is smaller than the sum of its proper divisors (23029360).

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

13396880 is a wasteful number, since it uses less digits than its factorization.

13396880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 13396880 is about 3660.1748592110. The cubic root of 13396880 is about 237.5023379271.

The spelling of 13396880 in words is "thirteen million, three hundred ninety-six thousand, eight hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 47 56 70 80 94 112 140 188 235 280 329 376 470 509 560 658 752 940 1018 1316 1645 1880 2036 2545 2632 3290 3563 3760 4072 5090 5264 6580 7126 8144 10180 13160 14252 17815 20360 23923 26320 28504 35630 40720 47846 57008 71260 95692 119615 142520 167461 191384 239230 285040 334922 382768 478460 669844 837305 956920 1339688 1674610 1913840 2679376 3349220 6698440 13396880