13631492 has 12 divisors (see below), whose sum is σ = 27263040. Its totient is φ = 5842056.

The previous prime is 13631491. The next prime is 13631539. The reversal of 13631492 is 29413631.

13631492 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13631491) 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, 243392 + ... + 243447.

It is an arithmetic number, because the mean of its divisors is an integer number (2271920).

Almost surely, 2^13631492 is an apocalyptic number.

It is an amenable number.

13631492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13631492 is a wasteful number, since it uses less digits than its factorization.

13631492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486850 (or 486848 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 13631492 is about 3692.0850477745. The cubic root of 13631492 is about 238.8807374019.

The spelling of 13631492 in words is "thirteen million, six hundred thirty-one thousand, four hundred ninety-two".