11564875 has 16 divisors (see below), whose sum is σ = 16496064. Its totient is φ = 7929600.

The previous prime is 11564873. The next prime is 11564909. The reversal of 11564875 is 57846511.

It is not a de Polignac number, because 11564875 - 2¹ = 11564873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11564873) 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 15 ways as a sum of consecutive naturals, for example, 5734 + ... + 7483.

It is an arithmetic number, because the mean of its divisors is an integer number (1031004).

Almost surely, 2^11564875 is an apocalyptic number.

11564875 is a deficient number, since it is larger than the sum of its proper divisors (4931189).

11564875 is an equidigital number, since it uses as much as digits as its factorization.

11564875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13239 (or 13229 counting only the distinct ones).

The product of its digits is 33600, while the sum is 37.

The square root of 11564875 is about 3400.7168361979. The cubic root of 11564875 is about 226.1415238566.

The spelling of 11564875 in words is "eleven million, five hundred sixty-four thousand, eight hundred seventy-five".