12015984 has 40 divisors (see below), whose sum is σ = 31248000. Its totient is φ = 3978688.

The previous prime is 12015977. The next prime is 12016013. The reversal of 12015984 is 48951021.

It is a happy number.

It is a congruent number.

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, 7267 + ... + 8765.

It is an arithmetic number, because the mean of its divisors is an integer number (781200).

Almost surely, 2^12015984 is an apocalyptic number.

It is an amenable number.

12015984 is an abundant number, since it is smaller than the sum of its proper divisors (19232016).

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

12015984 is a wasteful number, since it uses less digits than its factorization.

12015984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677 (or 1671 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 12015984 is about 3466.4079390631. The cubic root of 12015984 is about 229.0444540359.

The spelling of 12015984 in words is "twelve million, fifteen thousand, nine hundred eighty-four".