13688454 has 16 divisors (see below), whose sum is σ = 29482992. Its totient is φ = 4211808.

The previous prime is 13688431. The next prime is 13688471. The reversal of 13688454 is 45488631.

13688454 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87669 + ... + 87824.

It is an arithmetic number, because the mean of its divisors is an integer number (1842687).

Almost surely, 2^13688454 is an apocalyptic number.

13688454 is an abundant number, since it is smaller than the sum of its proper divisors (15794538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13688454 is a wasteful number, since it uses less digits than its factorization.

13688454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175511.

The product of its digits is 92160, while the sum is 39.

The square root of 13688454 is about 3699.7910751825. The cubic root of 13688454 is about 239.2130124762.

The spelling of 13688454 in words is "thirteen million, six hundred eighty-eight thousand, four hundred fifty-four".