12647750517703 has 8 divisors (see below), whose sum is σ = 14454595675520. Its totient is φ = 10840911273720.

The previous prime is 12647750517547. The next prime is 12647750517749. The reversal of 12647750517703 is 30771505774621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12647750517703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12647750517763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4992688 + ... + 7086778.

It is an arithmetic number, because the mean of its divisors is an integer number (1806824459440).

Almost surely, 2^{12647750517703} is an apocalyptic number.

12647750517703 is a deficient number, since it is larger than the sum of its proper divisors (1806845157817).

12647750517703 is an equidigital number, since it uses as much as digits as its factorization.

12647750517703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2956917.

The product of its (nonzero) digits is 8643600, while the sum is 55.

The spelling of 12647750517703 in words is "twelve trillion, six hundred forty-seven billion, seven hundred fifty million, five hundred seventeen thousand, seven hundred three".