13192631 has 4 divisors (see below), whose sum is σ = 13887000. Its totient is φ = 12498264.

The previous prime is 13192603. The next prime is 13192643. The reversal of 13192631 is 13629131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13192631 is a prime.

It is a super-2 number, since 2×13192631² = 348091025404322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13192631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13192661) 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, 347156 + ... + 347193.

It is an arithmetic number, because the mean of its divisors is an integer number (3471750).

Almost surely, 2^13192631 is an apocalyptic number.

13192631 is a deficient number, since it is larger than the sum of its proper divisors (694369).

13192631 is an equidigital number, since it uses as much as digits as its factorization.

13192631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694368.

The product of its digits is 972, while the sum is 26.

The square root of 13192631 is about 3632.1661580935. The cubic root of 13192631 is about 236.2891636501.

The spelling of 13192631 in words is "thirteen million, one hundred ninety-two thousand, six hundred thirty-one".