12657263583728 has 10 divisors (see below), whose sum is σ = 24523448193504. Its totient is φ = 6328631791856.

The previous prime is 12657263583719. The next prime is 12657263583763. The reversal of 12657263583728 is 82738536275621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395539486976 + ... + 395539487007.

Almost surely, 2^{12657263583728} is an apocalyptic number.

It is an amenable number.

12657263583728 is a deficient number, since it is larger than the sum of its proper divisors (11866184609776).

12657263583728 is an equidigital number, since it uses as much as digits as its factorization.

12657263583728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791078973991 (or 791078973985 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 65.

The spelling of 12657263583728 in words is "twelve trillion, six hundred fifty-seven billion, two hundred sixty-three million, five hundred eighty-three thousand, seven hundred twenty-eight".