13379839 has 4 divisors (see below), whose sum is σ = 14596200. Its totient is φ = 12163480.

The previous prime is 13379827. The next prime is 13379851. The reversal of 13379839 is 93897331.

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

It is an interprime number because it is at equal distance from previous prime (13379827) and next prime (13379851).

It is a cyclic number.

It is not a de Polignac number, because 13379839 - 2⁷ = 13379711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13379795 and 13379804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13379809) 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, 608164 + ... + 608185.

It is an arithmetic number, because the mean of its divisors is an integer number (3649050).

Almost surely, 2^13379839 is an apocalyptic number.

13379839 is a deficient number, since it is larger than the sum of its proper divisors (1216361).

13379839 is a wasteful number, since it uses less digits than its factorization.

13379839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216360.

The product of its digits is 122472, while the sum is 43.

The square root of 13379839 is about 3657.8462242145. The cubic root of 13379839 is about 237.4015932110.

The spelling of 13379839 in words is "thirteen million, three hundred seventy-nine thousand, eight hundred thirty-nine".