12573636 has 24 divisors (see below), whose sum is σ = 30132480. Its totient is φ = 4077792.

The previous prime is 12573629. The next prime is 12573637. The reversal of 12573636 is 63637521.

It is a junction number, because it is equal to n+sod(n) for n = 12573597 and 12573606.

It is not an unprimeable number, because it can be changed into a prime (12573637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13716 + ... + 14603.

It is an arithmetic number, because the mean of its divisors is an integer number (1255520).

Almost surely, 2^12573636 is an apocalyptic number.

It is an amenable number.

12573636 is an abundant number, since it is smaller than the sum of its proper divisors (17558844).

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

12573636 is a wasteful number, since it uses less digits than its factorization.

12573636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28363 (or 28361 counting only the distinct ones).

The product of its digits is 22680, while the sum is 33.

The square root of 12573636 is about 3545.9323174590. The cubic root of 12573636 is about 232.5342671195.

The spelling of 12573636 in words is "twelve million, five hundred seventy-three thousand, six hundred thirty-six".