13631080 has 16 divisors (see below), whose sum is σ = 30670020. Its totient is φ = 5452416.

The previous prime is 13631069. The next prime is 13631087. The reversal of 13631080 is 8013631.

It can be written as a sum of positive squares in 2 ways, for example, as 11710084 + 1920996 = 3422^2 + 1386^2 .

It is a super-3 number, since 3×13631080³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13631087) 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, 170349 + ... + 170428.

Almost surely, 2^13631080 is an apocalyptic number.

13631080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13631080 is an abundant number, since it is smaller than the sum of its proper divisors (17038940).

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

13631080 is a wasteful number, since it uses less digits than its factorization.

13631080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340788 (or 340784 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 13631080 is about 3692.0292523218. The cubic root of 13631080 is about 238.8783307234.

The spelling of 13631080 in words is "thirteen million, six hundred thirty-one thousand, eighty".