12688960955 has 16 divisors (see below), whose sum is σ = 16797650400. Its totient is φ = 9124642560.

The previous prime is 12688960927. The next prime is 12688960979. The reversal of 12688960955 is 55906988621.

It is a de Polignac number, because none of the positive numbers 2^k-12688960955 is a prime.

It is a super-2 number, since 2×12688960955² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12688960894 and 12688960903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1291220 + ... + 1301009.

It is an arithmetic number, because the mean of its divisors is an integer number (1049853150).

Almost surely, 2^12688960955 is an apocalyptic number.

12688960955 is a deficient number, since it is larger than the sum of its proper divisors (4108689445).

12688960955 is a wasteful number, since it uses less digits than its factorization.

12688960955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2592334.

The product of its (nonzero) digits is 9331200, while the sum is 59.

The spelling of 12688960955 in words is "twelve billion, six hundred eighty-eight million, nine hundred sixty thousand, nine hundred fifty-five".