11945944 has 16 divisors (see below), whose sum is σ = 22538520. Its totient is φ = 5935680.

The previous prime is 11945929. The next prime is 11945953. The reversal of 11945944 is 44954911.

It is a super-2 number, since 2×11945944² = 285411156102272, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 3277 + ... + 5884.

Almost surely, 2^11945944 is an apocalyptic number.

It is an amenable number.

11945944 is a deficient number, since it is larger than the sum of its proper divisors (10592576).

11945944 is a wasteful number, since it uses less digits than its factorization.

11945944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9330 (or 9326 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 11945944 is about 3456.2904970503. The cubic root of 11945944 is about 228.5985606185.

The spelling of 11945944 in words is "eleven million, nine hundred forty-five thousand, nine hundred forty-four".