12687895756 has 12 divisors (see below), whose sum is σ = 22204646968. Its totient is φ = 6343710912.

The previous prime is 12687895739. The next prime is 12687895777. The reversal of 12687895756 is 65759878621.

12687895756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124660 + ... + 202276.

Almost surely, 2^12687895756 is an apocalyptic number.

It is an amenable number.

12687895756 is a deficient number, since it is larger than the sum of its proper divisors (9516751212).

12687895756 is a wasteful number, since it uses less digits than its factorization.

12687895756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118488 (or 118486 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 64.

The spelling of 12687895756 in words is "twelve billion, six hundred eighty-seven million, eight hundred ninety-five thousand, seven hundred fifty-six".