12713916972964 has 9 divisors (see below), whose sum is σ = 22249367182497. Its totient is φ = 6356954920824.

The previous prime is 12713916972941. The next prime is 12713916972997. The reversal of 12713916972964 is 46927961931721.

The square root of 12713916972964 is 3565658.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8745374878564 + 3968542094400 = 2957258^2 + 1992120^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12713916972964.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6239902 + ... + 8022730.

Almost surely, 2^{12713916972964} is an apocalyptic number.

12713916972964 is the 3565658-th square number.

It is an amenable number.

12713916972964 is a deficient number, since it is larger than the sum of its proper divisors (9535450209533).

12713916972964 is an frugal number, since it uses more digits than its factorization.

12713916972964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565662 (or 1782831 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 67.

The spelling of 12713916972964 in words is "twelve trillion, seven hundred thirteen billion, nine hundred sixteen million, nine hundred seventy-two thousand, nine hundred sixty-four".