12635375 has 16 divisors (see below), whose sum is σ = 15869568. Its totient is φ = 10044000.

The previous prime is 12635353. The next prime is 12635377. The reversal of 12635375 is 57353621.

It is not a de Polignac number, because 12635375 - 2¹² = 12631279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12635377) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33689 + ... + 34061.

It is an arithmetic number, because the mean of its divisors is an integer number (991848).

Almost surely, 2^12635375 is an apocalyptic number.

12635375 is a deficient number, since it is larger than the sum of its proper divisors (3234193).

12635375 is an equidigital number, since it uses as much as digits as its factorization.

12635375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 649 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 12635375 is about 3554.6272659732. The cubic root of 12635375 is about 232.9142420496.

Adding to 12635375 its reverse (57353621), we get a palindrome (69988996).

The spelling of 12635375 in words is "twelve million, six hundred thirty-five thousand, three hundred seventy-five".