13565472 has 24 divisors (see below), whose sum is σ = 35609616. Its totient is φ = 4521792.

The previous prime is 13565471. The next prime is 13565491. The reversal of 13565472 is 27456531.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (13565471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70558 + ... + 70749.

It is an arithmetic number, because the mean of its divisors is an integer number (1483734).

Almost surely, 2^13565472 is an apocalyptic number.

13565472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13565472 is an abundant number, since it is smaller than the sum of its proper divisors (22044144).

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

13565472 is a wasteful number, since it uses less digits than its factorization.

13565472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141320 (or 141312 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 13565472 is about 3683.1334485734. The cubic root of 13565472 is about 238.4944643134.

The spelling of 13565472 in words is "thirteen million, five hundred sixty-five thousand, four hundred seventy-two".