12513634324 has 36 divisors (see below), whose sum is σ = 22377860764. Its totient is φ = 6122817792.

The previous prime is 12513634319. The next prime is 12513634361. The reversal of 12513634324 is 42343631521.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5244366724 + 7269267600 = 72418^2 + 85260^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12513634324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5133634 + ... + 5136070.

Almost surely, 2^12513634324 is an apocalyptic number.

It is an amenable number.

12513634324 is a deficient number, since it is larger than the sum of its proper divisors (9864226440).

12513634324 is a wasteful number, since it uses less digits than its factorization.

12513634324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004 (or 2949 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The spelling of 12513634324 in words is "twelve billion, five hundred thirteen million, six hundred thirty-four thousand, three hundred twenty-four".