13307472 has 30 divisors (see below), whose sum is σ = 37242842. Its totient is φ = 4435776.

The previous prime is 13307461. The next prime is 13307507. The reversal of 13307472 is 27470331.

It can be written as a sum of positive squares in only one way, i.e., 11128896 + 2178576 = 3336^2 + 1476^2 .

It is a super-2 number, since 2×13307472² = 354177622061568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46063 + ... + 46350.

Almost surely, 2^13307472 is an apocalyptic number.

13307472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13307472 is an abundant number, since it is smaller than the sum of its proper divisors (23935370).

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

13307472 is a wasteful number, since it uses less digits than its factorization.

13307472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92427 (or 92418 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 13307472 is about 3647.9407889932. The cubic root of 13307472 is about 236.9728110667.

The spelling of 13307472 in words is "thirteen million, three hundred seven thousand, four hundred seventy-two".