11805044 has 12 divisors (see below), whose sum is σ = 20693568. Its totient is φ = 5892600.

The previous prime is 11805019. The next prime is 11805047. The reversal of 11805044 is 44050811.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 629 + ... + 4899.

It is an arithmetic number, because the mean of its divisors is an integer number (1724464).

Almost surely, 2^11805044 is an apocalyptic number.

It is an amenable number.

11805044 is a deficient number, since it is larger than the sum of its proper divisors (8888524).

11805044 is a wasteful number, since it uses less digits than its factorization.

11805044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4966 (or 4964 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 11805044 is about 3435.8469116071. The cubic root of 11805044 is about 227.6962457528.

Adding to 11805044 its reverse (44050811), we get a palindrome (55855855).

The spelling of 11805044 in words is "eleven million, eight hundred five thousand, forty-four".