12071984 has 20 divisors (see below), whose sum is σ = 23443440. Its totient is φ = 6022080.

The previous prime is 12071981. The next prime is 12072001. The reversal of 12071984 is 48917021.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12071984.

It is not an unprimeable number, because it can be changed into a prime (12071981) 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, 12677 + ... + 13595.

It is an arithmetic number, because the mean of its divisors is an integer number (1172172).

Almost surely, 2^12071984 is an apocalyptic number.

It is an amenable number.

12071984 is a deficient number, since it is larger than the sum of its proper divisors (11371456).

12071984 is an equidigital number, since it uses as much as digits as its factorization.

12071984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12071984 is about 3474.4760756120. The cubic root of 12071984 is about 229.3997201293.

The spelling of 12071984 in words is "twelve million, seventy-one thousand, nine hundred eighty-four".