12819984 has 40 divisors (see below), whose sum is σ = 34863840. Its totient is φ = 4048128.

The previous prime is 12819971. The next prime is 12820009. The reversal of 12819984 is 48991821.

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, 6117 + ... + 7940.

It is an arithmetic number, because the mean of its divisors is an integer number (871596).

Almost surely, 2^12819984 is an apocalyptic number.

It is an amenable number.

12819984 is an abundant number, since it is smaller than the sum of its proper divisors (22043856).

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

12819984 is a wasteful number, since it uses less digits than its factorization.

12819984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14087 (or 14081 counting only the distinct ones).

The product of its digits is 41472, while the sum is 42.

The square root of 12819984 is about 3580.5005236698. The cubic root of 12819984 is about 234.0430923633.

The spelling of 12819984 in words is "twelve million, eight hundred nineteen thousand, nine hundred eighty-four".