12636128 has 12 divisors (see below), whose sum is σ = 24877440. Its totient is φ = 6318048.

The previous prime is 12636103. The next prime is 12636139. The reversal of 12636128 is 82163621.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12636128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197408 + ... + 197471.

It is an arithmetic number, because the mean of its divisors is an integer number (2073120).

Almost surely, 2^12636128 is an apocalyptic number.

It is an amenable number.

12636128 is a deficient number, since it is larger than the sum of its proper divisors (12241312).

12636128 is an equidigital number, since it uses as much as digits as its factorization.

12636128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394889 (or 394881 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 12636128 is about 3554.7331826735. The cubic root of 12636128 is about 232.9188687673.

Adding to 12636128 its reverse (82163621), we get a palindrome (94799749).

The spelling of 12636128 in words is "twelve million, six hundred thirty-six thousand, one hundred twenty-eight".