11559972 has 12 divisors (see below), whose sum is σ = 26973296. Its totient is φ = 3853320.

The previous prime is 11559971. The next prime is 11559973. The reversal of 11559972 is 27995511.

It is an interprime number because it is at equal distance from previous prime (11559971) and next prime (11559973).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 11559972.

It is not an unprimeable number, because it can be changed into a prime (11559971) 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, 481654 + ... + 481677.

Almost surely, 2^11559972 is an apocalyptic number.

11559972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11559972 is an abundant number, since it is smaller than the sum of its proper divisors (15413324).

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

11559972 is a wasteful number, since it uses less digits than its factorization.

11559972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963338 (or 963336 counting only the distinct ones).

The product of its digits is 28350, while the sum is 39.

The square root of 11559972 is about 3399.9958823504. The cubic root of 11559972 is about 226.1095613086.

The spelling of 11559972 in words is "eleven million, five hundred fifty-nine thousand, nine hundred seventy-two".