13388523 has 8 divisors (see below), whose sum is σ = 18266688. Its totient is φ = 8718024.

The previous prime is 13388513. The next prime is 13388539. The reversal of 13388523 is 32588331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13388523 - 2⁵ = 13388491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13388513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51765 + ... + 52022.

It is an arithmetic number, because the mean of its divisors is an integer number (2283336).

Almost surely, 2^13388523 is an apocalyptic number.

13388523 is a deficient number, since it is larger than the sum of its proper divisors (4878165).

13388523 is a wasteful number, since it uses less digits than its factorization.

13388523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103833.

The product of its digits is 17280, while the sum is 33.

The square root of 13388523 is about 3659.0330689951. The cubic root of 13388523 is about 237.4529428468.

The spelling of 13388523 in words is "thirteen million, three hundred eighty-eight thousand, five hundred twenty-three".