13312633 has 2 divisors, whose sum is σ = 13312634. Its totient is φ = 13312632.

The previous prime is 13312591. The next prime is 13312657. The reversal of 13312633 is 33621331.

13312633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10517049 + 2795584 = 3243^2 + 1672^2 .

It is a cyclic number.

It is not a de Polignac number, because 13312633 - 2²¹ = 11215481 is a prime.

It is not a weakly prime, because it can be changed into another prime (13312693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6656316 + 6656317.

It is an arithmetic number, because the mean of its divisors is an integer number (6656317).

Almost surely, 2^13312633 is an apocalyptic number.

It is an amenable number.

13312633 is a deficient number, since it is larger than the sum of its proper divisors (1).

13312633 is an equidigital number, since it uses as much as digits as its factorization.

13312633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 22.

The square root of 13312633 is about 3648.6481058058. The cubic root of 13312633 is about 237.0034419435.

Adding to 13312633 its reverse (33621331), we get a palindrome (46933964).

The spelling of 13312633 in words is "thirteen million, three hundred twelve thousand, six hundred thirty-three".