11774564 has 6 divisors (see below), whose sum is σ = 20605494. Its totient is φ = 5887280.

The previous prime is 11774549. The next prime is 11774573. The reversal of 11774564 is 46547711.

It is a happy number.

11774564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6801664 + 4972900 = 2608^2 + 2230^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471817 + ... + 1471824.

It is an arithmetic number, because the mean of its divisors is an integer number (3434249).

Almost surely, 2^11774564 is an apocalyptic number.

It is an amenable number.

11774564 is a deficient number, since it is larger than the sum of its proper divisors (8830930).

11774564 is a wasteful number, since it uses less digits than its factorization.

11774564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943645 (or 2943643 counting only the distinct ones).

The product of its digits is 23520, while the sum is 35.

The square root of 11774564 is about 3431.4084571791. The cubic root of 11774564 is about 227.5001102926.

The spelling of 11774564 in words is "eleven million, seven hundred seventy-four thousand, five hundred sixty-four".