13246631 has 2 divisors, whose sum is σ = 13246632. Its totient is φ = 13246630.

The previous prime is 13246627. The next prime is 13246657. The reversal of 13246631 is 13664231.

It is an a-pointer prime, because the next prime (13246657) can be obtained adding 13246631 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13246631 - 2² = 13246627 is a prime.

It is a super-2 number, since 2×13246631² = 350946465700322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13246631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13246601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6623315 + 6623316.

It is an arithmetic number, because the mean of its divisors is an integer number (6623316).

Almost surely, 2^13246631 is an apocalyptic number.

13246631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13246631 is an equidigital number, since it uses as much as digits as its factorization.

13246631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 13246631 is about 3639.5921474803. The cubic root of 13246631 is about 236.6111172499.

The spelling of 13246631 in words is "thirteen million, two hundred forty-six thousand, six hundred thirty-one".