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12799960 = 2352313913
BaseRepresentation
bin110000110100…
…111111011000
3220002022020121
4300310333120
511234044320
61134203024
7213540445
oct60647730
926068217
1012799960
117252888
124353474
132862154
1419b29cc
1511cc8aa
hexc34fd8

12799960 has 32 divisors (see below), whose sum is σ = 30054240. Its totient is φ = 4897024.

The previous prime is 12799957. The next prime is 12799973. The reversal of 12799960 is 6999721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6037 + ... + 7876.

It is an arithmetic number, because the mean of its divisors is an integer number (939195).

Almost surely, 212799960 is an apocalyptic number.

12799960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12799960 is an abundant number, since it is smaller than the sum of its proper divisors (17254280).

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

12799960 is a wasteful number, since it uses less digits than its factorization.

12799960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13947 (or 13943 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 12799960 is about 3577.7031738254. The cubic root of 12799960 is about 233.9211753886.

The spelling of 12799960 in words is "twelve million, seven hundred ninety-nine thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 13913 27826 55652 69565 111304 139130 278260 319999 556520 639998 1279996 1599995 2559992 3199990 6399980 12799960