13906319 has 16 divisors (see below), whose sum is σ = 16320000. Its totient is φ = 11604384.

The previous prime is 13906261. The next prime is 13906327. The reversal of 13906319 is 91360931.

13906319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13906319 is a prime.

It is a super-2 number, since 2×13906319² = 386771416259522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13906349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69782 + ... + 69980.

It is an arithmetic number, because the mean of its divisors is an integer number (1020000).

Almost surely, 2^13906319 is an apocalyptic number.

13906319 is a deficient number, since it is larger than the sum of its proper divisors (2413681).

13906319 is a wasteful number, since it uses less digits than its factorization.

13906319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422.

The product of its (nonzero) digits is 4374, while the sum is 32.

The square root of 13906319 is about 3729.1177240736. The cubic root of 13906319 is about 240.4754406308.

The spelling of 13906319 in words is "thirteen million, nine hundred six thousand, three hundred nineteen".