11572644 has 24 divisors (see below), whose sum is σ = 27125280. Its totient is φ = 3840064.

The previous prime is 11572637. The next prime is 11572663. The reversal of 11572644 is 44627511.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 727 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (1130220).

Almost surely, 2^11572644 is an apocalyptic number.

It is an amenable number.

11572644 is an abundant number, since it is smaller than the sum of its proper divisors (15552636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11572644 is a wasteful number, since it uses less digits than its factorization.

11572644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379 (or 4377 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 11572644 is about 3401.8589035996. The cubic root of 11572644 is about 226.1921513020.

The spelling of 11572644 in words is "eleven million, five hundred seventy-two thousand, six hundred forty-four".