13688255 has 16 divisors (see below), whose sum is σ = 18944064. Its totient is φ = 9300480.

The previous prime is 13688249. The next prime is 13688273. The reversal of 13688255 is 55288631.

It is not a de Polignac number, because 13688255 - 2⁴ = 13688239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2225 + ... + 5685.

It is an arithmetic number, because the mean of its divisors is an integer number (1184004).

Almost surely, 2^13688255 is an apocalyptic number.

13688255 is a deficient number, since it is larger than the sum of its proper divisors (5255809).

13688255 is a wasteful number, since it uses less digits than its factorization.

13688255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586.

The product of its digits is 57600, while the sum is 38.

The square root of 13688255 is about 3699.7641816743. The cubic root of 13688255 is about 239.2118532603.

The spelling of 13688255 in words is "thirteen million, six hundred eighty-eight thousand, two hundred fifty-five".