12613502340656 has 40 divisors (see below), whose sum is σ = 28387765236384. Its totient is φ = 5317167260160.

The previous prime is 12613502340601. The next prime is 12613502340683. The reversal of 12613502340656 is 65604320531621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923112485 + ... + 923126148.

Almost surely, 2^{12613502340656} is an apocalyptic number.

12613502340656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12613502340656 is an abundant number, since it is smaller than the sum of its proper divisors (15774262895728).

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

12613502340656 is a wasteful number, since it uses less digits than its factorization.

12613502340656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846238709 (or 1846238703 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 12613502340656 in words is "twelve trillion, six hundred thirteen billion, five hundred two million, three hundred forty thousand, six hundred fifty-six".