11944475 has 12 divisors (see below), whose sum is σ = 15455856. Its totient is φ = 9139680.

The previous prime is 11944469. The next prime is 11944487. The reversal of 11944475 is 57444911.

11944475 = T₉₆₅ + T₉₆₆ + ... + T₉₈₉.

It is a de Polignac number, because none of the positive numbers 2^k-11944475 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 9812 + ... + 10961.

It is an arithmetic number, because the mean of its divisors is an integer number (1287988).

Almost surely, 2^11944475 is an apocalyptic number.

11944475 is a deficient number, since it is larger than the sum of its proper divisors (3511381).

11944475 is a wasteful number, since it uses less digits than its factorization.

11944475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20806 (or 20801 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 11944475 is about 3456.0779794443. The cubic root of 11944475 is about 228.5891899330.

The spelling of 11944475 in words is "eleven million, nine hundred forty-four thousand, four hundred seventy-five".