13688452 has 24 divisors (see below), whose sum is σ = 24437952. Its totient is φ = 6708000.

The previous prime is 13688431. The next prime is 13688471. The reversal of 13688452 is 25488631.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79038 + ... + 79210.

It is an arithmetic number, because the mean of its divisors is an integer number (1018248).

Almost surely, 2^13688452 is an apocalyptic number.

It is an amenable number.

13688452 is a deficient number, since it is larger than the sum of its proper divisors (10749500).

13688452 is a wasteful number, since it uses less digits than its factorization.

13688452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 457 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 13688452 is about 3699.7908048969. The cubic root of 13688452 is about 239.2130008258.

It can be divided in two parts, 136 and 88452, that added together give a palindrome (88588).

The spelling of 13688452 in words is "thirteen million, six hundred eighty-eight thousand, four hundred fifty-two".