12378984 has 32 divisors (see below), whose sum is σ = 31344000. Its totient is φ = 4073472.

The previous prime is 12378917. The next prime is 12378997. The reversal of 12378984 is 48987321.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369 + ... + 5160.

It is an arithmetic number, because the mean of its divisors is an integer number (979500).

Almost surely, 2^12378984 is an apocalyptic number.

It is an amenable number.

12378984 is an abundant number, since it is smaller than the sum of its proper divisors (18965016).

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

12378984 is a wasteful number, since it uses less digits than its factorization.

12378984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617 (or 6613 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 12378984 is about 3518.3780354021. The cubic root of 12378984 is about 231.3280696720.

The spelling of 12378984 in words is "twelve million, three hundred seventy-eight thousand, nine hundred eighty-four".