13239239 has 8 divisors (see below), whose sum is σ = 14406000. Its totient is φ = 12093696.

The previous prime is 13239223. The next prime is 13239251. The reversal of 13239239 is 93293231.

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 13239239 - 2⁴ = 13239223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13239539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3989 + ... + 6510.

It is an arithmetic number, because the mean of its divisors is an integer number (1800750).

Almost surely, 2^13239239 is an apocalyptic number.

13239239 is a deficient number, since it is larger than the sum of its proper divisors (1166761).

13239239 is a wasteful number, since it uses less digits than its factorization.

13239239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10609.

The product of its digits is 8748, while the sum is 32.

The square root of 13239239 is about 3638.5765073721. The cubic root of 13239239 is about 236.5670971310.

The spelling of 13239239 in words is "thirteen million, two hundred thirty-nine thousand, two hundred thirty-nine".