11612564 has 12 divisors (see below), whose sum is σ = 21517524. Its totient is φ = 5464704.

The previous prime is 11612563. The next prime is 11612567. The reversal of 11612564 is 46521611.

It can be written as a sum of positive squares in 2 ways, for example, as 7236100 + 4376464 = 2690^2 + 2092^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11612563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85319 + ... + 85454.

It is an arithmetic number, because the mean of its divisors is an integer number (1793127).

Almost surely, 2^11612564 is an apocalyptic number.

It is an amenable number.

11612564 is a deficient number, since it is larger than the sum of its proper divisors (9904960).

11612564 is a wasteful number, since it uses less digits than its factorization.

11612564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170794 (or 170792 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 11612564 is about 3407.7212327302. The cubic root of 11612564 is about 226.4519371661.

The spelling of 11612564 in words is "eleven million, six hundred twelve thousand, five hundred sixty-four".