13097387552 has 18 divisors (see below), whose sum is σ = 25786756359. Its totient is φ = 6548370080.

The previous prime is 13097387543. The next prime is 13097387621. The reversal of 13097387552 is 25578379031.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 6548693776 + 6548693776 = 80924^2 + 80924^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=80924.

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 13097387552.

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, 637277 + ... + 657507.

Almost surely, 2^13097387552 is an apocalyptic number.

It is an amenable number.

13097387552 is a deficient number, since it is larger than the sum of its proper divisors (12689368807).

13097387552 is an frugal number, since it uses more digits than its factorization.

13097387552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40472 (or 20233 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 50.

Multiplying 13097387552 by its sum of digits (50), we get a square (654869377600 = 809240²).

The spelling of 13097387552 in words is "thirteen billion, ninety-seven million, three hundred eighty-seven thousand, five hundred fifty-two".