11805685 has 8 divisors (see below), whose sum is σ = 14214816. Its totient is φ = 9412560.

The previous prime is 11805641. The next prime is 11805709. The reversal of 11805685 is 58650811.

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

It is not a de Polignac number, because 11805685 - 2¹¹ = 11803637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11805685.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311 + ... + 5380.

It is an arithmetic number, because the mean of its divisors is an integer number (1776852).

Almost surely, 2^11805685 is an apocalyptic number.

It is an amenable number.

11805685 is a deficient number, since it is larger than the sum of its proper divisors (2409131).

11805685 is an equidigital number, since it uses as much as digits as its factorization.

11805685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8003.

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 11805685 is about 3435.9401915633. The cubic root of 11805685 is about 227.7003668910.

The spelling of 11805685 in words is "eleven million, eight hundred five thousand, six hundred eighty-five".