13113839 has 8 divisors (see below), whose sum is σ = 13508352. Its totient is φ = 12723480.

The previous prime is 13113811. The next prime is 13113929. The reversal of 13113839 is 93831131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13113839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13116839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6074 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (1688544).

Almost surely, 2^13113839 is an apocalyptic number.

13113839 is a deficient number, since it is larger than the sum of its proper divisors (394513).

13113839 is a wasteful number, since it uses less digits than its factorization.

13113839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077.

The product of its digits is 1944, while the sum is 29.

The square root of 13113839 is about 3621.3034945997. The cubic root of 13113839 is about 235.8178176005.

The spelling of 13113839 in words is "thirteen million, one hundred thirteen thousand, eight hundred thirty-nine".