13038506 has 16 divisors (see below), whose sum is σ = 21410088. Its totient is φ = 5918400.

The previous prime is 13038497. The next prime is 13038523. The reversal of 13038506 is 60583031.

It can be written as a sum of positive squares in 4 ways, for example, as 8649481 + 4389025 = 2941^2 + 2095^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525 + ... + 5696.

Almost surely, 2^13038506 is an apocalyptic number.

13038506 is a deficient number, since it is larger than the sum of its proper divisors (8371582).

13038506 is a wasteful number, since it uses less digits than its factorization.

13038506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8297.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 13038506 is about 3610.8871486104. The cubic root of 13038506 is about 235.3653950455.

The spelling of 13038506 in words is "thirteen million, thirty-eight thousand, five hundred six".