12692790136 has 32 divisors (see below), whose sum is σ = 25762509360. Its totient is φ = 5827848192.

The previous prime is 12692790107. The next prime is 12692790137. The reversal of 12692790136 is 63109729621.

It is a happy number.

It is a super-2 number, since 2×12692790136² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12692790137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296110 + ... + 336253.

Almost surely, 2^12692790136 is an apocalyptic number.

It is an amenable number.

12692790136 is an abundant number, since it is smaller than the sum of its proper divisors (13069719224).

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

12692790136 is a wasteful number, since it uses less digits than its factorization.

12692790136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632575 (or 632571 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 46.

The spelling of 12692790136 in words is "twelve billion, six hundred ninety-two million, seven hundred ninety thousand, one hundred thirty-six".