11943916 has 6 divisors (see below), whose sum is σ = 20901860. Its totient is φ = 5971956.

The previous prime is 11943907. The next prime is 11943917. The reversal of 11943916 is 61934911.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11943917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492986 + ... + 1492993.

Almost surely, 2^11943916 is an apocalyptic number.

It is an amenable number.

11943916 is a deficient number, since it is larger than the sum of its proper divisors (8957944).

11943916 is a wasteful number, since it uses less digits than its factorization.

11943916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985983 (or 2985981 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 11943916 is about 3455.9971064803. The cubic root of 11943916 is about 228.5856238952.

The spelling of 11943916 in words is "eleven million, nine hundred forty-three thousand, nine hundred sixteen".