13086839 has 8 divisors (see below), whose sum is σ = 14375040. Its totient is φ = 11858616.

The previous prime is 13086811. The next prime is 13086841. The reversal of 13086839 is 93868031.

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

It is a de Polignac number, because none of the positive numbers 2^k-13086839 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13086809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14537 + ... + 15410.

It is an arithmetic number, because the mean of its divisors is an integer number (1796880).

Almost surely, 2^13086839 is an apocalyptic number.

13086839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13086839 is a deficient number, since it is larger than the sum of its proper divisors (1288201).

13086839 is a wasteful number, since it uses less digits than its factorization.

13086839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29989.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 13086839 is about 3617.5736343577. The cubic root of 13086839 is about 235.6558651319.

The spelling of 13086839 in words is "thirteen million, eighty-six thousand, eight hundred thirty-nine".