12887603104 has 24 divisors (see below), whose sum is σ = 25422348420. Its totient is φ = 6431133696.

The previous prime is 12887603063. The next prime is 12887603137. The reversal of 12887603104 is 40130678821.

It can be written as a sum of positive squares in 2 ways, for example, as 12360992400 + 526610704 = 111180^2 + 22948^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379329 + ... + 411904.

Almost surely, 2^12887603104 is an apocalyptic number.

It is an amenable number.

12887603104 is a deficient number, since it is larger than the sum of its proper divisors (12534745316).

12887603104 is an equidigital number, since it uses as much as digits as its factorization.

12887603104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791752 (or 791744 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 12887603104 in words is "twelve billion, eight hundred eighty-seven million, six hundred three thousand, one hundred four".