13238331 has 8 divisors (see below), whose sum is σ = 17893200. Its totient is φ = 8704512.

The previous prime is 13238311. The next prime is 13238339. The reversal of 13238331 is 13383231.

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

It is not a de Polignac number, because 13238331 - 2¹⁰ = 13237307 is a prime.

It is a super-2 number, since 2×13238331² = 350506815331122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13238339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30006 + ... + 30443.

It is an arithmetic number, because the mean of its divisors is an integer number (2236650).

Almost surely, 2^13238331 is an apocalyptic number.

13238331 is a deficient number, since it is larger than the sum of its proper divisors (4654869).

13238331 is an equidigital number, since it uses as much as digits as its factorization.

13238331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60525.

The product of its digits is 1296, while the sum is 24.

The square root of 13238331 is about 3638.4517311626. The cubic root of 13238331 is about 236.5616887679.

The spelling of 13238331 in words is "thirteen million, two hundred thirty-eight thousand, three hundred thirty-one".