12573728536 has 16 divisors (see below), whose sum is σ = 23669672040. Its totient is φ = 6261816000.

The previous prime is 12573728509. The next prime is 12573728549. The reversal of 12573728536 is 63582737521.

It is a self number, because there is not a number n which added to its sum of digits gives 12573728536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128901 + ... + 3132916.

Almost surely, 2^12573728536 is an apocalyptic number.

It is an amenable number.

12573728536 is a deficient number, since it is larger than the sum of its proper divisors (11095943504).

12573728536 is a wasteful number, since it uses less digits than its factorization.

12573728536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6262074 (or 6262070 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 49.

The spelling of 12573728536 in words is "twelve billion, five hundred seventy-three million, seven hundred twenty-eight thousand, five hundred thirty-six".