13199839 has 8 divisors (see below), whose sum is σ = 13571712. Its totient is φ = 12831000.

The previous prime is 13199833. The next prime is 13199863. The reversal of 13199839 is 93899131.

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

It is a cyclic number.

It is not a de Polignac number, because 13199839 - 2²¹ = 11102687 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13199795 and 13199804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13199833) 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, 10182 + ... + 11404.

It is an arithmetic number, because the mean of its divisors is an integer number (1696464).

Almost surely, 2^13199839 is an apocalyptic number.

13199839 is a deficient number, since it is larger than the sum of its proper divisors (371873).

13199839 is a wasteful number, since it uses less digits than its factorization.

13199839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517.

The product of its digits is 52488, while the sum is 43.

The square root of 13199839 is about 3633.1582679537. The cubic root of 13199839 is about 236.3321892402.

The spelling of 13199839 in words is "thirteen million, one hundred ninety-nine thousand, eight hundred thirty-nine".