13189839 has 16 divisors (see below), whose sum is σ = 19095552. Its totient is φ = 8049888.

The previous prime is 13189837. The next prime is 13189861. The reversal of 13189839 is 93898131.

It is a happy number.

13189839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13189839 - 2¹ = 13189837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13189839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13189831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3622 + ... + 6284.

It is an arithmetic number, because the mean of its divisors is an integer number (1193472).

Almost surely, 2^13189839 is an apocalyptic number.

13189839 is a deficient number, since it is larger than the sum of its proper divisors (5905713).

13189839 is a wasteful number, since it uses less digits than its factorization.

13189839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806.

The product of its digits is 46656, while the sum is 42.

The square root of 13189839 is about 3631.7817941060. The cubic root of 13189839 is about 236.2724935891.

It can be divided in two parts, 13189 and 839, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 13189839 in words is "thirteen million, one hundred eighty-nine thousand, eight hundred thirty-nine".