13889319 has 16 divisors (see below), whose sum is σ = 19164768. Its totient is φ = 8940672.

The previous prime is 13889279. The next prime is 13889321. The reversal of 13889319 is 91398831.

It is a happy number.

It is not a de Polignac number, because 13889319 - 2⁷ = 13889191 is a prime.

It is a super-2 number, since 2×13889319² = 385826364567522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13889389) 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, 17029 + ... + 17825.

It is an arithmetic number, because the mean of its divisors is an integer number (1197798).

Almost surely, 2^13889319 is an apocalyptic number.

13889319 is a deficient number, since it is larger than the sum of its proper divisors (5275449).

13889319 is a wasteful number, since it uses less digits than its factorization.

13889319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994.

The product of its digits is 46656, while the sum is 42.

The square root of 13889319 is about 3726.8376675138. The cubic root of 13889319 is about 240.3774096692.

The spelling of 13889319 in words is "thirteen million, eight hundred eighty-nine thousand, three hundred nineteen".