11638675 has 24 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 8954400.

The previous prime is 11638673. The next prime is 11638687. The reversal of 11638675 is 57683611.

It is not a de Polignac number, because 11638675 - 2¹ = 11638673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11638673) 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 23 ways as a sum of consecutive naturals, for example, 140184 + ... + 140266.

It is an arithmetic number, because the mean of its divisors is an integer number (624960).

Almost surely, 2^11638675 is an apocalyptic number.

11638675 is a deficient number, since it is larger than the sum of its proper divisors (3360365).

11638675 is an equidigital number, since it uses as much as digits as its factorization.

11638675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 238 counting only the distinct ones).

The product of its digits is 30240, while the sum is 37.

The square root of 11638675 is about 3411.5502341311. The cubic root of 11638675 is about 226.6215368148.

The spelling of 11638675 in words is "eleven million, six hundred thirty-eight thousand, six hundred seventy-five".