13325472 has 120 divisors (see below), whose sum is σ = 40340916. Its totient is φ = 4313088.

The previous prime is 13325461. The next prime is 13325489. The reversal of 13325472 is 27452331.

It can be written as a sum of positive squares in 2 ways, for example, as 13220496 + 104976 = 3636^2 + 324^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 137328 + ... + 137424.

Almost surely, 2^13325472 is an apocalyptic number.

13325472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13325472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20170458).

13325472 is an abundant number, since it is smaller than the sum of its proper divisors (27015444).

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

13325472 is an equidigital number, since it uses as much as digits as its factorization.

13325472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 155 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 13325472 is about 3650.4071005848. The cubic root of 13325472 is about 237.0796079308.

The spelling of 13325472 in words is "thirteen million, three hundred twenty-five thousand, four hundred seventy-two".