13244239 has 8 divisors (see below), whose sum is σ = 13426352. Its totient is φ = 13063680.

The previous prime is 13244233. The next prime is 13244243. The reversal of 13244239 is 93244231.

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 13244239 - 2¹¹ = 13242191 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 (13244233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31249 + ... + 31669.

It is an arithmetic number, because the mean of its divisors is an integer number (1678294).

Almost surely, 2^13244239 is an apocalyptic number.

13244239 is a deficient number, since it is larger than the sum of its proper divisors (182113).

13244239 is a wasteful number, since it uses less digits than its factorization.

13244239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its digits is 5184, while the sum is 28.

The square root of 13244239 is about 3639.2635243961. The cubic root of 13244239 is about 236.5968744369.

The spelling of 13244239 in words is "thirteen million, two hundred forty-four thousand, two hundred thirty-nine".