13688455 has 16 divisors (see below), whose sum is σ = 18864000. Its totient is φ = 9430560.

The previous prime is 13688431. The next prime is 13688471. The reversal of 13688455 is 55488631.

13688455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13688455 - 2⁹ = 13687943 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5505 + ... + 7594.

It is an arithmetic number, because the mean of its divisors is an integer number (1179000).

Almost surely, 2^13688455 is an apocalyptic number.

13688455 is a deficient number, since it is larger than the sum of its proper divisors (5175545).

13688455 is a wasteful number, since it uses less digits than its factorization.

13688455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134.

The product of its digits is 115200, while the sum is 40.

The square root of 13688455 is about 3699.7912103253. The cubic root of 13688455 is about 239.2130183013.

The spelling of 13688455 in words is "thirteen million, six hundred eighty-eight thousand, four hundred fifty-five".