13088732836 has 9 divisors (see below), whose sum is σ = 22905682891. Its totient is φ = 6544252012.

The previous prime is 13088732717. The next prime is 13088732861. The reversal of 13088732836 is 63823788031.

The square root of 13088732836 is 114406.

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

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 13088732836.

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, 200211 + ... + 257413.

Almost surely, 2^13088732836 is an apocalyptic number.

13088732836 is the 114406-th square number.

It is an amenable number.

13088732836 is a deficient number, since it is larger than the sum of its proper divisors (9816950055).

13088732836 is an frugal number, since it uses more digits than its factorization.

13088732836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114410 (or 57205 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

Multiplying 13088732836 by its sum of digits (49), we get a square (641347908964 = 800842²).

The spelling of 13088732836 in words is "thirteen billion, eighty-eight million, seven hundred thirty-two thousand, eight hundred thirty-six".