13197615472 has 20 divisors (see below), whose sum is σ = 25989568456. Its totient is φ = 6490630080.

The previous prime is 13197615449. The next prime is 13197615499. The reversal of 13197615472 is 27451679131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6760098 + ... + 6762049.

Almost surely, 2^13197615472 is an apocalyptic number.

It is an amenable number.

13197615472 is a deficient number, since it is larger than the sum of its proper divisors (12791952984).

13197615472 is a wasteful number, since it uses less digits than its factorization.

13197615472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13522216 (or 13522210 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The spelling of 13197615472 in words is "thirteen billion, one hundred ninety-seven million, six hundred fifteen thousand, four hundred seventy-two".