13159839 has 24 divisors (see below), whose sum is σ = 22046080. Its totient is φ = 6834960.

The previous prime is 13159831. The next prime is 13159879. The reversal of 13159839 is 93895131.

It is not a de Polignac number, because 13159839 - 2³ = 13159831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13159797 and 13159806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13159831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49 + ... + 5130.

Almost surely, 2^13159839 is an apocalyptic number.

13159839 is a deficient number, since it is larger than the sum of its proper divisors (8886241).

13159839 is a wasteful number, since it uses less digits than its factorization.

13159839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211 (or 5200 counting only the distinct ones).

The product of its digits is 29160, while the sum is 39.

The square root of 13159839 is about 3627.6492388322. The cubic root of 13159839 is about 236.0932254021.

The spelling of 13159839 in words is "thirteen million, one hundred fifty-nine thousand, eight hundred thirty-nine".