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13680960 = 263514251
BaseRepresentation
bin110100001100…
…000101000000
3221202001202020
4310030011000
512000242320
61205121440
7224200116
oct64140500
927661666
1013680960
1177a4787
1246b9280
132ab0157
141b61ab6
151303940
hexd0c140

13680960 has 56 divisors (see below), whose sum is σ = 43440096. Its totient is φ = 3648000.

The previous prime is 13680949. The next prime is 13681033. The reversal of 13680960 is 6908631.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6166 + ... + 8085.

It is an arithmetic number, because the mean of its divisors is an integer number (775716).

Almost surely, 213680960 is an apocalyptic number.

13680960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13680960 is an abundant number, since it is smaller than the sum of its proper divisors (29759136).

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

13680960 is a wasteful number, since it uses less digits than its factorization.

13680960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14271 (or 14261 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 13680960 is about 3698.7781766416. The cubic root of 13680960 is about 239.1693506290.

The spelling of 13680960 in words is "thirteen million, six hundred eighty thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 14251 28502 42753 57004 71255 85506 114008 142510 171012 213765 228016 285020 342024 427530 456032 570040 684048 855060 912064 1140080 1368096 1710120 2280160 2736192 3420240 4560320 6840480 13680960