11866772 has 12 divisors (see below), whose sum is σ = 21077280. Its totient is φ = 5844696.

The previous prime is 11866763. The next prime is 11866783. The reversal of 11866772 is 27766811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21872 + ... + 22407.

It is an arithmetic number, because the mean of its divisors is an integer number (1756440).

Almost surely, 2^11866772 is an apocalyptic number.

It is an amenable number.

11866772 is a deficient number, since it is larger than the sum of its proper divisors (9210508).

11866772 is a wasteful number, since it uses less digits than its factorization.

11866772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44350 (or 44348 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 11866772 is about 3444.8181374348. The cubic root of 11866772 is about 228.0924268748.

The spelling of 11866772 in words is "eleven million, eight hundred sixty-six thousand, seven hundred seventy-two".