13344331 has 16 divisors (see below), whose sum is σ = 17918208. Its totient is φ = 9597600.

The previous prime is 13344313. The next prime is 13344341.

It is a happy number.

13344331 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 13344331 - 2⁷ = 13344203 is a prime.

It is a super-2 number, since 2×13344331² = 356142339675122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13344341) 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, 5665 + ... + 7666.

It is an arithmetic number, because the mean of its divisors is an integer number (1119888).

Almost surely, 2^13344331 is an apocalyptic number.

13344331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13344331 is a deficient number, since it is larger than the sum of its proper divisors (4573877).

13344331 is a wasteful number, since it uses less digits than its factorization.

13344331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362.

The product of its digits is 1296, while the sum is 22.

The square root of 13344331 is about 3652.9893238278. The cubic root of 13344331 is about 237.1913982607.

It can be divided in two parts, 1334 and 4331, that added together give a palindrome (5665).

The spelling of 13344331 in words is "thirteen million, three hundred forty-four thousand, three hundred thirty-one".