12837632528 has 80 divisors (see below), whose sum is σ = 30165212160. Its totient is φ = 5173373568.

The previous prime is 12837632513. The next prime is 12837632629. The reversal of 12837632528 is 82523673821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109751 + ... + 194217.

It is an arithmetic number, because the mean of its divisors is an integer number (377065152).

Almost surely, 2^12837632528 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 12837632528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15082606080).

12837632528 is an abundant number, since it is smaller than the sum of its proper divisors (17327579632).

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

12837632528 is a wasteful number, since it uses less digits than its factorization.

12837632528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84564 (or 84558 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The spelling of 12837632528 in words is "twelve billion, eight hundred thirty-seven million, six hundred thirty-two thousand, five hundred twenty-eight".