12896788684 has 24 divisors (see below), whose sum is σ = 24308591888. Its totient is φ = 5951603520.

The previous prime is 12896788657. The next prime is 12896788687. The reversal of 12896788684 is 48688769821.

It is not an unprimeable number, because it can be changed into a prime (12896788687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724774 + ... + 742354.

Almost surely, 2^12896788684 is an apocalyptic number.

It is an amenable number.

12896788684 is a deficient number, since it is larger than the sum of its proper divisors (11411803204).

12896788684 is a wasteful number, since it uses less digits than its factorization.

12896788684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31705 (or 31703 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 67.

The spelling of 12896788684 in words is "twelve billion, eight hundred ninety-six million, seven hundred eighty-eight thousand, six hundred eighty-four".