12547658480 has 160 divisors (see below), whose sum is σ = 33971159040. Its totient is φ = 4221434880.

The previous prime is 12547658471. The next prime is 12547658569. The reversal of 12547658480 is 8485674521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8006657 + ... + 8008223.

It is an arithmetic number, because the mean of its divisors is an integer number (212319744).

Almost surely, 2^12547658480 is an apocalyptic number.

12547658480 is a gapful number since it is divisible by the number (10) 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 12547658480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16985579520).

12547658480 is an abundant number, since it is smaller than the sum of its proper divisors (21423500560).

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

12547658480 is a wasteful number, since it uses less digits than its factorization.

12547658480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847 (or 1841 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 50.

The spelling of 12547658480 in words is "twelve billion, five hundred forty-seven million, six hundred fifty-eight thousand, four hundred eighty".