13299839 has 8 divisors (see below), whose sum is σ = 15457920. Its totient is φ = 11206296.

The previous prime is 13299833. The next prime is 13299851. The reversal of 13299839 is 93899231.

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-13299839 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13299839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13299833) 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, 15689 + ... + 16514.

It is an arithmetic number, because the mean of its divisors is an integer number (1932240).

Almost surely, 2^13299839 is an apocalyptic number.

13299839 is a deficient number, since it is larger than the sum of its proper divisors (2158081).

13299839 is an equidigital number, since it uses as much as digits as its factorization.

13299839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32269.

The product of its digits is 104976, while the sum is 44.

The square root of 13299839 is about 3646.8944322533. The cubic root of 13299839 is about 236.9274941847.

The spelling of 13299839 in words is "thirteen million, two hundred ninety-nine thousand, eight hundred thirty-nine".