12984388 has 12 divisors (see below), whose sum is σ = 22978620. Its totient is φ = 6419072.

The previous prime is 12984359. The next prime is 12984401. The reversal of 12984388 is 88348921.

It can be written as a sum of positive squares in 2 ways, for example, as 3694084 + 9290304 = 1922^2 + 3048^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17881 + ... + 18592.

It is an arithmetic number, because the mean of its divisors is an integer number (1914885).

Almost surely, 2^12984388 is an apocalyptic number.

It is an amenable number.

12984388 is a deficient number, since it is larger than the sum of its proper divisors (9994232).

12984388 is a wasteful number, since it uses less digits than its factorization.

12984388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36566 (or 36564 counting only the distinct ones).

The product of its digits is 110592, while the sum is 43.

The square root of 12984388 is about 3603.3856302095. The cubic root of 12984388 is about 235.0393053314.

The spelling of 12984388 in words is "twelve million, nine hundred eighty-four thousand, three hundred eighty-eight".