10805814 has 48 divisors (see below), whose sum is σ = 25039872. Its totient is φ = 3359664.

The previous prime is 10805803. The next prime is 10805819. The reversal of 10805814 is 41850801.

10805814 is a `hidden beast` number, since 1 + 0 + 80 + 581 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10805819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17499 + ... + 18105.

It is an arithmetic number, because the mean of its divisors is an integer number (521664).

Almost surely, 2^10805814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10805814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12519936).

10805814 is an abundant number, since it is smaller than the sum of its proper divisors (14234058).

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

10805814 is a wasteful number, since it uses less digits than its factorization.

10805814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 10805814 is about 3287.2197979448. The cubic root of 10805814 is about 221.0815475421.

The spelling of 10805814 in words is "ten million, eight hundred five thousand, eight hundred fourteen".