12053636 has 12 divisors (see below), whose sum is σ = 24107328. Its totient is φ = 5165832.

The previous prime is 12053627. The next prime is 12053669. The reversal of 12053636 is 63635021.

12053636 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215216 + ... + 215271.

It is an arithmetic number, because the mean of its divisors is an integer number (2008944).

Almost surely, 2^12053636 is an apocalyptic number.

It is an amenable number.

12053636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12053636 is a wasteful number, since it uses less digits than its factorization.

12053636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430498 (or 430496 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 12053636 is about 3471.8346734832. The cubic root of 12053636 is about 229.2834409748.

Adding to 12053636 its reverse (63635021), we get a palindrome (75688657).

The spelling of 12053636 in words is "twelve million, fifty-three thousand, six hundred thirty-six".