12895917936 has 80 divisors (see below), whose sum is σ = 38480894208. Its totient is φ = 3677977600.

The previous prime is 12895917901. The next prime is 12895917941. The reversal of 12895917936 is 63971959821.

It is a self number, because there is not a number n which added to its sum of digits gives 12895917936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709380 + ... + 727331.

Almost surely, 2^12895917936 is an apocalyptic number.

12895917936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12895917936 is an abundant number, since it is smaller than the sum of its proper divisors (25584976272).

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

12895917936 is a wasteful number, since it uses less digits than its factorization.

12895917936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436750 (or 1436744 counting only the distinct ones).

The product of its digits is 7348320, while the sum is 60.

The spelling of 12895917936 in words is "twelve billion, eight hundred ninety-five million, nine hundred seventeen thousand, nine hundred thirty-six".