13039406 has 32 divisors (see below), whose sum is σ = 21255168. Its totient is φ = 5987520.

The previous prime is 13039399. The next prime is 13039417. The reversal of 13039406 is 60493031.

It is a super-2 number, since 2×13039406² = 340052217665672, which contains 22 as substring.

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, 178586 + ... + 178658.

It is an arithmetic number, because the mean of its divisors is an integer number (664224).

Almost surely, 2^13039406 is an apocalyptic number.

13039406 is a deficient number, since it is larger than the sum of its proper divisors (8215762).

13039406 is a wasteful number, since it uses less digits than its factorization.

13039406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13039406 is about 3611.0117695737. The cubic root of 13039406 is about 235.3708103894.

The spelling of 13039406 in words is "thirteen million, thirty-nine thousand, four hundred six".