12693650808 has 32 divisors (see below), whose sum is σ = 32025272400. Its totient is φ = 4192397568.

The previous prime is 12693650759. The next prime is 12693650839. The reversal of 12693650808 is 80805639621.

It is a happy number.

It is a super-2 number, since 2×12693650808² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 2423541 + ... + 2428772.

Almost surely, 2^12693650808 is an apocalyptic number.

It is an amenable number.

12693650808 is an abundant number, since it is smaller than the sum of its proper divisors (19331621592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12693650808 is a wasteful number, since it uses less digits than its factorization.

12693650808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852431 (or 4852427 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 12693650808 in words is "twelve billion, six hundred ninety-three million, six hundred fifty thousand, eight hundred eight".