11805042 has 16 divisors (see below), whose sum is σ = 24852960. Its totient is φ = 3727872.

The previous prime is 11805019. The next prime is 11805047. The reversal of 11805042 is 24050811.

It is not an unprimeable number, because it can be changed into a prime (11805047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51663 + ... + 51890.

It is an arithmetic number, because the mean of its divisors is an integer number (1553310).

Almost surely, 2^11805042 is an apocalyptic number.

11805042 is an abundant number, since it is smaller than the sum of its proper divisors (13047918).

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

11805042 is a wasteful number, since it uses less digits than its factorization.

11805042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103577.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11805042 is about 3435.8466205580. The cubic root of 11805042 is about 227.6962328941.

Adding to 11805042 its reverse (24050811), we get a palindrome (35855853).

The spelling of 11805042 in words is "eleven million, eight hundred five thousand, forty-two".