12870964936 has 8 divisors (see below), whose sum is σ = 24133059270. Its totient is φ = 6435482464.

The previous prime is 12870964889. The next prime is 12870964943. The reversal of 12870964936 is 63946907821.

It can be written as a sum of positive squares in only one way, i.e., 12565064836 + 305900100 = 112094^2 + 17490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804435301 + ... + 804435316.

Almost surely, 2^12870964936 is an apocalyptic number.

It is an amenable number.

12870964936 is a deficient number, since it is larger than the sum of its proper divisors (11262094334).

12870964936 is a wasteful number, since it uses less digits than its factorization.

12870964936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608870623 (or 1608870619 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 12870964936 in words is "twelve billion, eight hundred seventy million, nine hundred sixty-four thousand, nine hundred thirty-six".