13196265625 has 21 divisors (see below), whose sum is σ = 16513089411. Its totient is φ = 10545525000.

The previous prime is 13196265611. The next prime is 13196265631. The reversal of 13196265625 is 52656269131.

The square root of 13196265625 is 114875.

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

It can be written as a sum of positive squares in 3 ways, for example, as 11561195529 + 1635070096 = 107523^2 + 40436^2 .

It is not a de Polignac number, because 13196265625 - 2¹³ = 13196257433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 14358916 + ... + 14359834.

It is an arithmetic number, because the mean of its divisors is an integer number (786337591).

Almost surely, 2^13196265625 is an apocalyptic number.

13196265625 is the 114875-th square number.

13196265625 is the 57438-th centered octagonal number.

It is an amenable number.

13196265625 is a deficient number, since it is larger than the sum of its proper divisors (3316823786).

13196265625 is an frugal number, since it uses more digits than its factorization.

13196265625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 924 counting only the distinct ones).

The product of its digits is 583200, while the sum is 46.

The spelling of 13196265625 in words is "thirteen billion, one hundred ninety-six million, two hundred sixty-five thousand, six hundred twenty-five".