11481872 has 20 divisors (see below), whose sum is σ = 22625040. Its totient is φ = 5643168.

The previous prime is 11481863. The next prime is 11481893. The reversal of 11481872 is 27818411.

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 in 3 ways as a sum of consecutive naturals, for example, 5138 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (1131252).

Almost surely, 2^11481872 is an apocalyptic number.

It is an amenable number.

11481872 is a deficient number, since it is larger than the sum of its proper divisors (11143168).

11481872 is a wasteful number, since it uses less digits than its factorization.

11481872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12230 (or 12224 counting only the distinct ones).

The product of its digits is 3584, while the sum is 32.

The square root of 11481872 is about 3388.4911096239. The cubic root of 11481872 is about 225.5992061069.

The spelling of 11481872 in words is "eleven million, four hundred eighty-one thousand, eight hundred seventy-two".