13238788 has 12 divisors (see below), whose sum is σ = 23195340. Its totient is φ = 6611552.

The previous prime is 13238779. The next prime is 13238807. The reversal of 13238788 is 88783231.

It can be written as a sum of positive squares in 2 ways, for example, as 10252804 + 2985984 = 3202^2 + 1728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13238788.

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, 3570 + ... + 6262.

It is an arithmetic number, because the mean of its divisors is an integer number (1932945).

Almost surely, 2^13238788 is an apocalyptic number.

It is an amenable number.

13238788 is a deficient number, since it is larger than the sum of its proper divisors (9956552).

13238788 is a wasteful number, since it uses less digits than its factorization.

13238788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3926 (or 3924 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 13238788 is about 3638.5145320584. The cubic root of 13238788 is about 236.5644108494.

The spelling of 13238788 in words is "thirteen million, two hundred thirty-eight thousand, seven hundred eighty-eight".