12586746724 has 12 divisors (see below), whose sum is σ = 22328544364. Its totient is φ = 6207162624.

The previous prime is 12586746713. The next prime is 12586746737. The reversal of 12586746724 is 42764768521.

12586746724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6588244224 + 5998502500 = 81168^2 + 77450^2 .

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 3 ways as a sum of consecutive naturals, for example, 21552357 + ... + 21552940.

Almost surely, 2^12586746724 is an apocalyptic number.

It is an amenable number.

12586746724 is a deficient number, since it is larger than the sum of its proper divisors (9741797640).

12586746724 is a wasteful number, since it uses less digits than its factorization.

12586746724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43105374 (or 43105372 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The spelling of 12586746724 in words is "twelve billion, five hundred eighty-six million, seven hundred forty-six thousand, seven hundred twenty-four".