12635144 has 16 divisors (see below), whose sum is σ = 23737920. Its totient is φ = 6305040.

The previous prime is 12635137. The next prime is 12635159. The reversal of 12635144 is 44153621.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3797 + ... + 6299.

It is an arithmetic number, because the mean of its divisors is an integer number (1483620).

Almost surely, 2^12635144 is an apocalyptic number.

It is an amenable number.

12635144 is a deficient number, since it is larger than the sum of its proper divisors (11102776).

12635144 is a wasteful number, since it uses less digits than its factorization.

12635144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140 (or 3136 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 12635144 is about 3554.5947729664. The cubic root of 12635144 is about 232.9128226611.

Adding to 12635144 its reverse (44153621), we get a palindrome (56788765).

The spelling of 12635144 in words is "twelve million, six hundred thirty-five thousand, one hundred forty-four".