12647303052544 has 72 divisors (see below), whose sum is σ = 26328220851968. Its totient is φ = 6056573091840.

The previous prime is 12647303052487. The next prime is 12647303052551. The reversal of 12647303052544 is 44525030374621.

It is a junction number, because it is equal to n+sod(n) for n = 12647303052494 and 12647303052503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7444962 + ... + 8984545.

Almost surely, 2^{12647303052544} is an apocalyptic number.

It is an amenable number.

12647303052544 is an abundant number, since it is smaller than the sum of its proper divisors (13680917799424).

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

12647303052544 is an equidigital number, since it uses as much as digits as its factorization.

12647303052544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16429651 (or 16429637 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 46.

The spelling of 12647303052544 in words is "twelve trillion, six hundred forty-seven billion, three hundred three million, fifty-two thousand, five hundred forty-four".