11782564 has 12 divisors (see below), whose sum is σ = 21832524. Its totient is φ = 5544704.

The previous prime is 11782549. The next prime is 11782567. The reversal of 11782564 is 46528711.

11782564 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 2 ways, for example, as 10240000 + 1542564 = 3200^2 + 1242^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (11782567) 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, 86569 + ... + 86704.

It is an arithmetic number, because the mean of its divisors is an integer number (1819377).

Almost surely, 2^11782564 is an apocalyptic number.

It is an amenable number.

11782564 is a deficient number, since it is larger than the sum of its proper divisors (10049960).

11782564 is a wasteful number, since it uses less digits than its factorization.

11782564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173294 (or 173292 counting only the distinct ones).

The product of its digits is 13440, while the sum is 34.

The square root of 11782564 is about 3432.5739613299. The cubic root of 11782564 is about 227.5516221462.

The spelling of 11782564 in words is "eleven million, seven hundred eighty-two thousand, five hundred sixty-four".