13885939 has 4 divisors (see below), whose sum is σ = 13956624. Its totient is φ = 13815256.

The previous prime is 13885931. The next prime is 13885943. The reversal of 13885939 is 93958831.

13885939 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13885939 - 2³ = 13885931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13885931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35047 + ... + 35440.

It is an arithmetic number, because the mean of its divisors is an integer number (3489156).

Almost surely, 2^13885939 is an apocalyptic number.

13885939 is a deficient number, since it is larger than the sum of its proper divisors (70685).

13885939 is an equidigital number, since it uses as much as digits as its factorization.

13885939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70684.

The product of its digits is 233280, while the sum is 46.

The square root of 13885939 is about 3726.3841723580. The cubic root of 13885939 is about 240.3579092757.

The spelling of 13885939 in words is "thirteen million, eight hundred eighty-five thousand, nine hundred thirty-nine".