12546506632 has 64 divisors (see below), whose sum is σ = 26515906560. Its totient is φ = 5516078400.

The previous prime is 12546506629. The next prime is 12546506639. The reversal of 12546506632 is 23660564521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12546506639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373657 + ... + 405847.

It is an arithmetic number, because the mean of its divisors is an integer number (414311040).

Almost surely, 2^12546506632 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 12546506632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13257953280).

12546506632 is an abundant number, since it is smaller than the sum of its proper divisors (13969399928).

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

12546506632 is a wasteful number, since it uses less digits than its factorization.

12546506632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32354 (or 32350 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 12546506632 in words is "twelve billion, five hundred forty-six million, five hundred six thousand, six hundred thirty-two".