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12800908 = 2219168433
BaseRepresentation
bin110000110101…
…001110001100
3220002100112201
4300311032030
511234112113
61134211244
7213543301
oct60651614
926070481
1012800908
11725356a
124353b24
132862703
1419b30a8
1511cccdd
hexc3538c

12800908 has 12 divisors (see below), whose sum is σ = 23580760. Its totient is φ = 6063552.

The previous prime is 12800891. The next prime is 12800929. The reversal of 12800908 is 80900821.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

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 3 ways as a sum of consecutive naturals, for example, 84141 + ... + 84292.

Almost surely, 212800908 is an apocalyptic number.

It is an amenable number.

12800908 is a deficient number, since it is larger than the sum of its proper divisors (10779852).

12800908 is a wasteful number, since it uses less digits than its factorization.

12800908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168456 (or 168454 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 12800908 is about 3577.8356586070. The cubic root of 12800908 is about 233.9269501931.

The spelling of 12800908 in words is "twelve million, eight hundred thousand, nine hundred eight".

Divisors: 1 2 4 19 38 76 168433 336866 673732 3200227 6400454 12800908