12933888 has 72 divisors (see below), whose sum is σ = 37576896. Its totient is φ = 3916800.

The previous prime is 12933871. The next prime is 12933919. The reversal of 12933888 is 88833921.

It is a congruent number.

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, 7683 + ... + 9213.

Almost surely, 2^12933888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12933888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18788448).

12933888 is an abundant number, since it is smaller than the sum of its proper divisors (24643008).

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

12933888 is a wasteful number, since it uses less digits than its factorization.

12933888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1547 counting only the distinct ones).

The product of its digits is 82944, while the sum is 42.

The square root of 12933888 is about 3596.3715047253. The cubic root of 12933888 is about 234.7341977361.

The spelling of 12933888 in words is "twelve million, nine hundred thirty-three thousand, eight hundred eighty-eight".