12547297344 has 56 divisors (see below), whose sum is σ = 33440449248. Its totient is φ = 4151895040.

The previous prime is 12547297333. The next prime is 12547297361. The reversal of 12547297344 is 44379274521.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 12547297293 and 12547297302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212202 + ... + 264809.

Almost surely, 2^12547297344 is an apocalyptic number.

It is an amenable number.

12547297344 is an abundant number, since it is smaller than the sum of its proper divisors (20893151904).

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

12547297344 is a wasteful number, since it uses less digits than its factorization.

12547297344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477163 (or 477153 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The spelling of 12547297344 in words is "twelve billion, five hundred forty-seven million, two hundred ninety-seven thousand, three hundred forty-four".