11943868 has 18 divisors (see below), whose sum is σ = 21323624. Its totient is φ = 5853744.

The previous prime is 11943851. The next prime is 11943871. The reversal of 11943868 is 86834911.

It is a self number, because there is not a number n which added to its sum of digits gives 11943868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10705 + ... + 11767.

Almost surely, 2^11943868 is an apocalyptic number.

It is an amenable number.

11943868 is a deficient number, since it is larger than the sum of its proper divisors (9379756).

11943868 is a wasteful number, since it uses less digits than its factorization.

11943868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1173 (or 1118 counting only the distinct ones).

The product of its digits is 41472, while the sum is 40.

The square root of 11943868 is about 3455.9901620230. The cubic root of 11943868 is about 228.5853176828.

Subtracting from 11943868 its sum of digits (40), we obtain a triangular number (11943828 = T₄₈₈₇).

The spelling of 11943868 in words is "eleven million, nine hundred forty-three thousand, eight hundred sixty-eight".