12403984 has 40 divisors (see below), whose sum is σ = 24909120. Its totient is φ = 5980800.

The previous prime is 12403973. The next prime is 12404003. The reversal of 12403984 is 48930421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69207 + ... + 69385.

It is an arithmetic number, because the mean of its divisors is an integer number (622728).

Almost surely, 2^12403984 is an apocalyptic number.

It is an amenable number.

12403984 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

12403984 is a wasteful number, since it uses less digits than its factorization.

12403984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12403984 is about 3521.9290168883. The cubic root of 12403984 is about 231.4836913004.

The spelling of 12403984 in words is "twelve million, four hundred three thousand, nine hundred eighty-four".