11805982 has 8 divisors (see below), whose sum is σ = 17844552. Its totient is φ = 5857800.

The previous prime is 11805979. The next prime is 11806019. The reversal of 11805982 is 28950811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22269 + ... + 22792.

It is an arithmetic number, because the mean of its divisors is an integer number (2230569).

Almost surely, 2^11805982 is an apocalyptic number.

11805982 is a deficient number, since it is larger than the sum of its proper divisors (6038570).

11805982 is a wasteful number, since it uses less digits than its factorization.

11805982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45194.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 11805982 is about 3435.9834109029. The cubic root of 11805982 is about 227.7022763225.

The spelling of 11805982 in words is "eleven million, eight hundred five thousand, nine hundred eighty-two".