13275564 has 48 divisors (see below), whose sum is σ = 32342016. Its totient is φ = 4233600.

The previous prime is 13275551. The next prime is 13275569. The reversal of 13275564 is 46557231.

It is not an unprimeable number, because it can be changed into a prime (13275569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47104 + ... + 47384.

It is an arithmetic number, because the mean of its divisors is an integer number (673792).

Almost surely, 2^13275564 is an apocalyptic number.

It is an amenable number.

13275564 is an abundant number, since it is smaller than the sum of its proper divisors (19066452).

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

13275564 is a wasteful number, since it uses less digits than its factorization.

13275564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446 (or 444 counting only the distinct ones).

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

The square root of 13275564 is about 3643.5647380004. The cubic root of 13275564 is about 236.7832589136.

The spelling of 13275564 in words is "thirteen million, two hundred seventy-five thousand, five hundred sixty-four".