13388406 has 16 divisors (see below), whose sum is σ = 26814144. Its totient is φ = 4456584.

The previous prime is 13388393. The next prime is 13388411. The reversal of 13388406 is 60488331.

13388406 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 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, 5745 + ... + 7731.

It is an arithmetic number, because the mean of its divisors is an integer number (1675884).

Almost surely, 2^13388406 is an apocalyptic number.

13388406 is an abundant number, since it is smaller than the sum of its proper divisors (13425738).

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

13388406 is a wasteful number, since it uses less digits than its factorization.

13388406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 13388406 is about 3659.0170811298. The cubic root of 13388406 is about 237.4522511580.

The spelling of 13388406 in words is "thirteen million, three hundred eighty-eight thousand, four hundred six".