11685842 has 8 divisors (see below), whose sum is σ = 20032896. Its totient is φ = 5008212.

The previous prime is 11685841. The next prime is 11685857. The reversal of 11685842 is 24858611.

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

It is not an unprimeable number, because it can be changed into a prime (11685841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 417338 + ... + 417365.

It is an arithmetic number, because the mean of its divisors is an integer number (2504112).

Almost surely, 2^11685842 is an apocalyptic number.

11685842 is a deficient number, since it is larger than the sum of its proper divisors (8347054).

11685842 is an equidigital number, since it uses as much as digits as its factorization.

11685842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834712.

The product of its digits is 15360, while the sum is 35.

The square root of 11685842 is about 3418.4560842579. The cubic root of 11685842 is about 226.9272603594.

It can be divided in two parts, 116 and 85842, that added together give a palindrome (85958).

The spelling of 11685842 in words is "eleven million, six hundred eighty-five thousand, eight hundred forty-two".