11943988 has 24 divisors (see below), whose sum is σ = 24043712. Its totient is φ = 5085504.

The previous prime is 11943977. The next prime is 11943991. The reversal of 11943988 is 88934911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3256 + ... + 5872.

Almost surely, 2^11943988 is an apocalyptic number.

It is an amenable number.

11943988 is an abundant number, since it is smaller than the sum of its proper divisors (12099724).

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

11943988 is a wasteful number, since it uses less digits than its factorization.

11943988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791 (or 2789 counting only the distinct ones).

The product of its digits is 62208, while the sum is 43.

The square root of 11943988 is about 3456.0075231400. The cubic root of 11943988 is about 228.5860832122.

The spelling of 11943988 in words is "eleven million, nine hundred forty-three thousand, nine hundred eighty-eight".