12634936692 has 48 divisors (see below), whose sum is σ = 35466493440. Its totient is φ = 3419982432.

The previous prime is 12634936681. The next prime is 12634936697. The reversal of 12634936692 is 29663943621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634936697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3956718 + ... + 3959909.

It is an arithmetic number, because the mean of its divisors is an integer number (738885280).

Almost surely, 2^12634936692 is an apocalyptic number.

12634936692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12634936692 is an abundant number, since it is smaller than the sum of its proper divisors (22831556748).

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

12634936692 is a wasteful number, since it uses less digits than its factorization.

12634936692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7916660 (or 7916658 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 51.

The spelling of 12634936692 in words is "twelve billion, six hundred thirty-four million, nine hundred thirty-six thousand, six hundred ninety-two".