12636028 has 12 divisors (see below), whose sum is σ = 22475992. Its totient is φ = 6214320.

The previous prime is 12636017. The next prime is 12636031. The reversal of 12636028 is 82063621.

It is a junction number, because it is equal to n+sod(n) for n = 12635987 and 12636005.

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, 25650 + ... + 26137.

Almost surely, 2^12636028 is an apocalyptic number.

It is an amenable number.

12636028 is a deficient number, since it is larger than the sum of its proper divisors (9839964).

12636028 is a wasteful number, since it uses less digits than its factorization.

12636028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51852 (or 51850 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 12636028 is about 3554.7191168924. The cubic root of 12636028 is about 232.9182543399.

Adding to 12636028 its reverse (82063621), we get a palindrome (94699649).

The spelling of 12636028 in words is "twelve million, six hundred thirty-six thousand, twenty-eight".