12865704008 has 32 divisors (see below), whose sum is σ = 24635907000. Its totient is φ = 6297561600.

The previous prime is 12865703999. The next prime is 12865704073. The reversal of 12865704008 is 80040756821.

12865704008 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12516686884 + 349017124 = 111878^2 + 18682^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17543 + ... + 161366.

Almost surely, 2^12865704008 is an apocalyptic number.

It is an amenable number.

12865704008 is a deficient number, since it is larger than the sum of its proper divisors (11770202992).

12865704008 is a wasteful number, since it uses less digits than its factorization.

12865704008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179105 (or 179101 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 12865704008 in words is "twelve billion, eight hundred sixty-five million, seven hundred four thousand, eight".