12936887798 has 24 divisors (see below), whose sum is σ = 19721920176. Its totient is φ = 6364373600.

The previous prime is 12936887779. The next prime is 12936887807. The reversal of 12936887798 is 89778863921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3405236 + ... + 3409032.

It is an arithmetic number, because the mean of its divisors is an integer number (821746674).

Almost surely, 2^12936887798 is an apocalyptic number.

12936887798 is a deficient number, since it is larger than the sum of its proper divisors (6785032378).

12936887798 is a wasteful number, since it uses less digits than its factorization.

12936887798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168 (or 4067 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 68.

The spelling of 12936887798 in words is "twelve billion, nine hundred thirty-six million, eight hundred eighty-seven thousand, seven hundred ninety-eight".