12784974597 has 12 divisors (see below), whose sum is σ = 19103985420. Its totient is φ = 8229408768.

The previous prime is 12784974589. The next prime is 12784974599. The reversal of 12784974597 is 79547948721.

12784974597 is a `hidden beast` number, since 12 + 7 + 8 + 497 + 45 + 97 = 666.

12784974597 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 5498815716 + 7286158881 = 74154^2 + 85359^2 .

It is not a de Polignac number, because 12784974597 - 2³ = 12784974589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12784974599) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 24492028 + ... + 24492549.

It is an arithmetic number, because the mean of its divisors is an integer number (1591998785).

Almost surely, 2^12784974597 is an apocalyptic number.

It is an amenable number.

12784974597 is a deficient number, since it is larger than the sum of its proper divisors (6319010823).

12784974597 is a wasteful number, since it uses less digits than its factorization.

12784974597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48984612 (or 48984609 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 12784974597 in words is "twelve billion, seven hundred eighty-four million, nine hundred seventy-four thousand, five hundred ninety-seven".