11943906 has 24 divisors (see below), whose sum is σ = 25868880. Its totient is φ = 3674736.

The previous prime is 11943881. The next prime is 11943907. The reversal of 11943906 is 60934911.

It is not an unprimeable number, because it can be changed into a prime (11943907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4876 + ... + 6903.

It is an arithmetic number, because the mean of its divisors is an integer number (1077870).

Almost surely, 2^11943906 is an apocalyptic number.

11943906 is an abundant number, since it is smaller than the sum of its proper divisors (13924974).

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

11943906 is a wasteful number, since it uses less digits than its factorization.

11943906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810 (or 11797 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 11943906 is about 3455.9956597195. The cubic root of 11943906 is about 228.5855601010.

The spelling of 11943906 in words is "eleven million, nine hundred forty-three thousand, nine hundred six".