12756061587474 has 64 divisors (see below), whose sum is σ = 28833810192000. Its totient is φ = 4179002293440.

The previous prime is 12756061587433. The next prime is 12756061587523. The reversal of 12756061587474 is 47478516065721.

12756061587474 is a `hidden beast` number, since 1 + 2 + 7 + 5 + 6 + 0 + 6 + 1 + 587 + 47 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13632492 + ... + 14538120.

It is an arithmetic number, because the mean of its divisors is an integer number (450528284250).

Almost surely, 2^{12756061587474} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12756061587474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14416905096000).

12756061587474 is an abundant number, since it is smaller than the sum of its proper divisors (16077748604526).

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

12756061587474 is a wasteful number, since it uses less digits than its factorization.

12756061587474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910120 (or 910114 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 12756061587474 in words is "twelve trillion, seven hundred fifty-six billion, sixty-one million, five hundred eighty-seven thousand, four hundred seventy-four".