11475864 has 32 divisors (see below), whose sum is σ = 31878000. Its totient is φ = 3825216.

The previous prime is 11475817. The next prime is 11475881. The reversal of 11475864 is 46857411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 7 ways as a sum of consecutive naturals, for example, 26349 + ... + 26780.

Almost surely, 2^11475864 is an apocalyptic number.

It is an amenable number.

11475864 is an abundant number, since it is smaller than the sum of its proper divisors (20402136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11475864 is a wasteful number, since it uses less digits than its factorization.

11475864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53144 (or 53134 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 11475864 is about 3387.6044633339. The cubic root of 11475864 is about 225.5598502566.

The spelling of 11475864 in words is "eleven million, four hundred seventy-five thousand, eight hundred sixty-four".