13388679 has 8 divisors (see below), whose sum is σ = 19835120. Its totient is φ = 8925768.

The previous prime is 13388671. The next prime is 13388681. The reversal of 13388679 is 97688331.

It is a happy number.

13388679 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13388679 - 2³ = 13388671 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 (13388671) 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, 247912 + ... + 247965.

It is an arithmetic number, because the mean of its divisors is an integer number (2479390).

Almost surely, 2^13388679 is an apocalyptic number.

13388679 is a deficient number, since it is larger than the sum of its proper divisors (6446441).

13388679 is an equidigital number, since it uses as much as digits as its factorization.

13388679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495886 (or 495880 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 13388679 is about 3659.0543860402. The cubic root of 13388679 is about 237.4538650923.

The spelling of 13388679 in words is "thirteen million, three hundred eighty-eight thousand, six hundred seventy-nine".