13023331 has 4 divisors (see below), whose sum is σ = 13057200. Its totient is φ = 12989464.

The previous prime is 13023289. The next prime is 13023383. The reversal of 13023331 is 13332031.

13023331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13332031 = 547 ⋅24373.

It is a cyclic number.

It is not a de Polignac number, because 13023331 - 2⁷ = 13023203 is a prime.

It is a super-2 number, since 2×13023331² = 339214300671122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13023391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16351 + ... + 17128.

It is an arithmetic number, because the mean of its divisors is an integer number (3264300).

Almost surely, 2^13023331 is an apocalyptic number.

13023331 is a deficient number, since it is larger than the sum of its proper divisors (33869).

13023331 is an equidigital number, since it uses as much as digits as its factorization.

13023331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33868.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 13023331 is about 3608.7852526855. The cubic root of 13023331 is about 235.2740487822.

Adding to 13023331 its reverse (13332031), we get a palindrome (26355362).

The spelling of 13023331 in words is "thirteen million, twenty-three thousand, three hundred thirty-one".