12832157884 has 96 divisors (see below), whose sum is σ = 29314123776. Its totient is φ = 4775950080.

The previous prime is 12832157881. The next prime is 12832157903. The reversal of 12832157884 is 48875123821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12832157881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498129 + ... + 523255.

It is an arithmetic number, because the mean of its divisors is an integer number (305355456).

Almost surely, 2^12832157884 is an apocalyptic number.

12832157884 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 12832157884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14657061888).

12832157884 is an abundant number, since it is smaller than the sum of its proper divisors (16481965892).

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

12832157884 is a wasteful number, since it uses less digits than its factorization.

12832157884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25235 (or 25233 counting only the distinct ones).

The product of its digits is 860160, while the sum is 49.

The spelling of 12832157884 in words is "twelve billion, eight hundred thirty-two million, one hundred fifty-seven thousand, eight hundred eighty-four".