11566244 has 12 divisors (see below), whose sum is σ = 20939100. Its totient is φ = 5583648.

The previous prime is 11566229. The next prime is 11566249. The reversal of 11566244 is 44266511.

It can be written as a sum of positive squares in 2 ways, for example, as 9375844 + 2190400 = 3062^2 + 1480^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (11566249) 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 3 ways as a sum of consecutive naturals, for example, 49739 + ... + 49970.

It is an arithmetic number, because the mean of its divisors is an integer number (1744925).

Almost surely, 2^11566244 is an apocalyptic number.

It is an amenable number.

11566244 is a deficient number, since it is larger than the sum of its proper divisors (9372856).

11566244 is a wasteful number, since it uses less digits than its factorization.

11566244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99742 (or 99740 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 11566244 is about 3400.9181113341. The cubic root of 11566244 is about 226.1504467238.

The spelling of 11566244 in words is "eleven million, five hundred sixty-six thousand, two hundred forty-four".