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13366620 = 2234537223
BaseRepresentation
bin110010111111…
…010101011100
3221011002120000
4302333111130
511410212440
61154254300
7221420511
oct62772534
927132500
1013366620
1175aa5a3
124587390
132a00057
141abd308
151290730
hexcbf55c

13366620 has 120 divisors (see below), whose sum is σ = 43257984. Its totient is φ = 3452544.

The previous prime is 13366609. The next prime is 13366621. The reversal of 13366620 is 2666331.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 59829 + ... + 60051.

Almost surely, 213366620 is an apocalyptic number.

13366620 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 13366620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21628992).

13366620 is an abundant number, since it is smaller than the sum of its proper divisors (29891364).

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

13366620 is a wasteful number, since it uses less digits than its factorization.

13366620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 13366620 is about 3656.0388400563. The cubic root of 13366620 is about 237.3233848528.

The spelling of 13366620 in words is "thirteen million, three hundred sixty-six thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 37 45 54 60 74 81 90 108 111 135 148 162 180 185 222 223 270 324 333 370 405 444 446 540 555 666 669 740 810 892 999 1110 1115 1332 1338 1620 1665 1998 2007 2220 2230 2676 2997 3330 3345 3996 4014 4460 4995 5994 6021 6660 6690 8028 8251 9990 10035 11988 12042 13380 14985 16502 18063 19980 20070 24084 24753 29970 30105 33004 36126 40140 41255 49506 59940 60210 72252 74259 82510 90315 99012 120420 123765 148518 165020 180630 222777 247530 297036 361260 371295 445554 495060 668331 742590 891108 1113885 1336662 1485180 2227770 2673324 3341655 4455540 6683310 13366620