13288631 has 2 divisors, whose sum is σ = 13288632. Its totient is φ = 13288630.

The previous prime is 13288609. The next prime is 13288673. The reversal of 13288631 is 13688231.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13288631 - 2⁶ = 13288567 is a prime.

It is a super-2 number, since 2×13288631² = 353175427708322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13188631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6644315 + 6644316.

It is an arithmetic number, because the mean of its divisors is an integer number (6644316).

Almost surely, 2^13288631 is an apocalyptic number.

13288631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13288631 is an equidigital number, since it uses as much as digits as its factorization.

13288631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 13288631 is about 3645.3574584669. The cubic root of 13288631 is about 236.8609212073.

The spelling of 13288631 in words is "thirteen million, two hundred eighty-eight thousand, six hundred thirty-one".