11866912 has 24 divisors (see below), whose sum is σ = 23807196. Its totient is φ = 5820672.

The previous prime is 11866871. The next prime is 11866913. The reversal of 11866912 is 21966811.

It can be written as a sum of positive squares in 2 ways, for example, as 11861136 + 5776 = 3444^2 + 76^2 .

It is not an unprimeable number, because it can be changed into a prime (11866913) 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, 1803 + ... + 5194.

Almost surely, 2^11866912 is an apocalyptic number.

It is an amenable number.

11866912 is an abundant number, since it is smaller than the sum of its proper divisors (11940284).

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

11866912 is an equidigital number, since it uses as much as digits as its factorization.

11866912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7060 (or 7052 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 11866912 is about 3444.8384577510. The cubic root of 11866912 is about 228.0933238560.

The spelling of 11866912 in words is "eleven million, eight hundred sixty-six thousand, nine hundred twelve".