12917827963044 has 27 divisors (see below), whose sum is σ = 32653452973323. Its totient is φ = 4305935466072.

The previous prime is 12917827963039. The next prime is 12917827963049. The reversal of 12917827963044 is 44036972871921.

The square root of 12917827963044 is 3594138.

It is a perfect power (a square), and thus also a powerful number.

12917827963044 is a `hidden beast` number, since 1 + 291 + 7 + 8 + 279 + 6 + 30 + 44 = 666.

It is an interprime number because it is at equal distance from previous prime (12917827963039) and next prime (12917827963049).

It is not an unprimeable number, because it can be changed into a prime (12917827963049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21265317 + ... + 21864339.

Almost surely, 2^{12917827963044} is an apocalyptic number.

12917827963044 is the 3594138-th square number.

It is an amenable number.

12917827963044 is an abundant number, since it is smaller than the sum of its proper divisors (19735625010279).

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

12917827963044 is an frugal number, since it uses more digits than its factorization.

12917827963044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198056 (or 599028 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 12917827963044 in words is "twelve trillion, nine hundred seventeen billion, eight hundred twenty-seven million, nine hundred sixty-three thousand, forty-four".