12758975424 has 126 divisors (see below), whose sum is σ = 39601176576. Its totient is φ = 3925808640.

The previous prime is 12758975407. The next prime is 12758975441. The reversal of 12758975424 is 42457985721.

12758975424 is a `hidden beast` number, since 1 + 2 + 7 + 5 + 8 + 97 + 542 + 4 = 666.

12758975424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12758975407) and next prime (12758975441).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 31809 + ... + 162879.

Almost surely, 2^12758975424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12758975424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19800588288).

12758975424 is an abundant number, since it is smaller than the sum of its proper divisors (26842201152).

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

12758975424 is a wasteful number, since it uses less digits than its factorization.

12758975424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131115 (or 131089 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The spelling of 12758975424 in words is "twelve billion, seven hundred fifty-eight million, nine hundred seventy-five thousand, four hundred twenty-four".