12964968626 has 16 divisors (see below), whose sum is σ = 19765145880. Its totient is φ = 6377404800.

The previous prime is 12964968613. The next prime is 12964968637. The reversal of 12964968626 is 62686946921.

It can be written as a sum of positive squares in 4 ways, for example, as 9457368001 + 3507600625 = 97249^2 + 59225^2 .

It is a super-2 number, since 2×12964968626² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172691 + ... + 236118.

Almost surely, 2^12964968626 is an apocalyptic number.

12964968626 is a deficient number, since it is larger than the sum of its proper divisors (6800177254).

12964968626 is a wasteful number, since it uses less digits than its factorization.

12964968626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409069.

The product of its digits is 13436928, while the sum is 59.

The spelling of 12964968626 in words is "twelve billion, nine hundred sixty-four million, nine hundred sixty-eight thousand, six hundred twenty-six".