10805885 has 4 divisors (see below), whose sum is σ = 12967068. Its totient is φ = 8644704.

The previous prime is 10805849. The next prime is 10805891. The reversal of 10805885 is 58850801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5098564 + 5707321 = 2258^2 + 2389^2 .

It is a cyclic number.

It is not a de Polignac number, because 10805885 - 2¹⁰ = 10804861 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 1080584 + ... + 1080593.

It is an arithmetic number, because the mean of its divisors is an integer number (3241767).

Almost surely, 2^10805885 is an apocalyptic number.

It is an amenable number.

10805885 is a deficient number, since it is larger than the sum of its proper divisors (2161183).

10805885 is an equidigital number, since it uses as much as digits as its factorization.

10805885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161182.

The product of its (nonzero) digits is 12800, while the sum is 35.

The square root of 10805885 is about 3287.2305973266. The cubic root of 10805885 is about 221.0820317492.

The spelling of 10805885 in words is "ten million, eight hundred five thousand, eight hundred eighty-five".