11805844 has 12 divisors (see below), whose sum is σ = 20738368. Its totient is φ = 5880600.

The previous prime is 11805817. The next prime is 11805847. The reversal of 11805844 is 44850811.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11805847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4362 + ... + 6529.

Almost surely, 2^11805844 is an apocalyptic number.

It is an amenable number.

11805844 is a deficient number, since it is larger than the sum of its proper divisors (8932524).

11805844 is a wasteful number, since it uses less digits than its factorization.

11805844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11166 (or 11164 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 11805844 is about 3435.9633292572. The cubic root of 11805844 is about 227.7013891159.

The spelling of 11805844 in words is "eleven million, eight hundred five thousand, eight hundred forty-four".