12547437760 has 112 divisors (see below), whose sum is σ = 35102243232. Its totient is φ = 4211712000.

The previous prime is 12547437731. The next prime is 12547437823. The reversal of 12547437760 is 6773474521.

12547437760 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12547437760.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91341 + ... + 182860.

It is an arithmetic number, because the mean of its divisors is an integer number (313412886).

Almost surely, 2^12547437760 is an apocalyptic number.

12547437760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12547437760 is an abundant number, since it is smaller than the sum of its proper divisors (22554805472).

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

12547437760 is a wasteful number, since it uses less digits than its factorization.

12547437760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274242 (or 274232 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 12547437760 in words is "twelve billion, five hundred forty-seven million, four hundred thirty-seven thousand, seven hundred sixty".