13688607 has 8 divisors (see below), whose sum is σ = 19212160. Its totient is φ = 8645400.

The previous prime is 13688599. The next prime is 13688627. The reversal of 13688607 is 70688631.

13688607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13688607 - 2³ = 13688599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13688627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120019 + ... + 120132.

It is an arithmetic number, because the mean of its divisors is an integer number (2401520).

Almost surely, 2^13688607 is an apocalyptic number.

13688607 is a deficient number, since it is larger than the sum of its proper divisors (5523553).

13688607 is a wasteful number, since it uses less digits than its factorization.

13688607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240173.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 13688607 is about 3699.8117519679. The cubic root of 13688607 is about 239.2139037250.

The spelling of 13688607 in words is "thirteen million, six hundred eighty-eight thousand, six hundred seven".