11805745 has 32 divisors (see below), whose sum is σ = 17498880. Its totient is φ = 7464960.

The previous prime is 11805733. The next prime is 11805751. The reversal of 11805745 is 54750811.

It is not a de Polignac number, because 11805745 - 2⁵ = 11805713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27049 + ... + 27481.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^11805745 is an apocalyptic number.

It is an amenable number.

11805745 is a deficient number, since it is larger than the sum of its proper divisors (5693135).

11805745 is a wasteful number, since it uses less digits than its factorization.

11805745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 5600, while the sum is 31.

The square root of 11805745 is about 3435.9489227868. The cubic root of 11805745 is about 227.7007526373.

The spelling of 11805745 in words is "eleven million, eight hundred five thousand, seven hundred forty-five".