13631464 has 32 divisors (see below), whose sum is σ = 31867200. Its totient is φ = 5310720.

The previous prime is 13631459. The next prime is 13631477. The reversal of 13631464 is 46413631.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10449 + ... + 11680.

It is an arithmetic number, because the mean of its divisors is an integer number (995850).

Almost surely, 2^13631464 is an apocalyptic number.

13631464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13631464 is an abundant number, since it is smaller than the sum of its proper divisors (18235736).

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

13631464 is a wasteful number, since it uses less digits than its factorization.

13631464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22153 (or 22149 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 13631464 is about 3692.0812558772. The cubic root of 13631464 is about 238.8805738427.

The spelling of 13631464 in words is "thirteen million, six hundred thirty-one thousand, four hundred sixty-four".