12884402384 has 80 divisors (see below), whose sum is σ = 29804759040. Its totient is φ = 5275670400.

The previous prime is 12884402383. The next prime is 12884402437. The reversal of 12884402384 is 48320448821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12884402381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2704997 + ... + 2709755.

It is an arithmetic number, because the mean of its divisors is an integer number (372559488).

Almost surely, 2^12884402384 is an apocalyptic number.

12884402384 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12884402384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14902379520).

12884402384 is an abundant number, since it is smaller than the sum of its proper divisors (16920356656).

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

12884402384 is a wasteful number, since it uses less digits than its factorization.

12884402384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848 (or 5842 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The spelling of 12884402384 in words is "twelve billion, eight hundred eighty-four million, four hundred two thousand, three hundred eighty-four".