11784972 has 18 divisors (see below), whose sum is σ = 27526044. Its totient is φ = 3924360.

The previous prime is 11784953. The next prime is 11785001. The reversal of 11784972 is 27948711.

11784972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11784972.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11397 + ... + 12387.

Almost surely, 2^11784972 is an apocalyptic number.

11784972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11784972 is an abundant number, since it is smaller than the sum of its proper divisors (15741072).

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

11784972 is an frugal number, since it uses more digits than its factorization.

11784972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 996 counting only the distinct ones).

The product of its digits is 28224, while the sum is 39.

The square root of 11784972 is about 3432.9247006015. The cubic root of 11784972 is about 227.5671226485.

The spelling of 11784972 in words is "eleven million, seven hundred eighty-four thousand, nine hundred seventy-two".