12847984 has 20 divisors (see below), whose sum is σ = 25976016. Its totient is φ = 6144512.

The previous prime is 12847943. The next prime is 12847993. The reversal of 12847984 is 48974821.

It is a self number, because there is not a number n which added to its sum of digits gives 12847984.

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, 17089 + ... + 17824.

Almost surely, 2^12847984 is an apocalyptic number.

It is an amenable number.

12847984 is an abundant number, since it is smaller than the sum of its proper divisors (13128032).

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

12847984 is a wasteful number, since it uses less digits than its factorization.

12847984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34944 (or 34938 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 12847984 is about 3584.4084588674. The cubic root of 12847984 is about 234.2133588638.

It can be divided in two parts, 12847 and 984, that added together give a palindrome (13831).

The spelling of 12847984 in words is "twelve million, eight hundred forty-seven thousand, nine hundred eighty-four".