13122331 has 8 divisors (see below), whose sum is σ = 14259200. Its totient is φ = 12030120.

The previous prime is 13122313. The next prime is 13122341. The reversal of 13122331 is 13322131.

13122331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13122331 - 2⁵ = 13122299 is a prime.

It is a super-2 number, since 2×13122331² = 344391141747122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13122341) 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, 10551 + ... + 11728.

It is an arithmetic number, because the mean of its divisors is an integer number (1782400).

Almost surely, 2^13122331 is an apocalyptic number.

13122331 is a deficient number, since it is larger than the sum of its proper divisors (1136869).

13122331 is a wasteful number, since it uses less digits than its factorization.

13122331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22329.

The product of its digits is 108, while the sum is 16.

The square root of 13122331 is about 3622.4758108233. The cubic root of 13122331 is about 235.8687086935.

Adding to 13122331 its reverse (13322131), we get a palindrome (26444462).

The spelling of 13122331 in words is "thirteen million, one hundred twenty-two thousand, three hundred thirty-one".