13239213 has 8 divisors (see below), whose sum is σ = 19010208. Its totient is φ = 8147184.

The previous prime is 13239211. The next prime is 13239223. The reversal of 13239213 is 31293231.

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

It is not a de Polignac number, because 13239213 - 2¹ = 13239211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13239211) 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, 169695 + ... + 169772.

It is an arithmetic number, because the mean of its divisors is an integer number (2376276).

Almost surely, 2^13239213 is an apocalyptic number.

13239213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13239213 is a deficient number, since it is larger than the sum of its proper divisors (5770995).

13239213 is a wasteful number, since it uses less digits than its factorization.

13239213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339483.

The product of its digits is 972, while the sum is 24.

The square root of 13239213 is about 3638.5729345445. The cubic root of 13239213 is about 236.5669422694.

The spelling of 13239213 in words is "thirteen million, two hundred thirty-nine thousand, two hundred thirteen".