10818805 has 4 divisors (see below), whose sum is σ = 12982572. Its totient is φ = 8655040.

The previous prime is 10818779. The next prime is 10818833. The reversal of 10818805 is 50881801.

It is a happy number.

10818805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50881801 = 4637 ⋅10973.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 7918596 = 1703^2 + 2814^2 .

It is not a de Polignac number, because 10818805 - 2⁹ = 10818293 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081876 + ... + 1081885.

It is an arithmetic number, because the mean of its divisors is an integer number (3245643).

Almost surely, 2^10818805 is an apocalyptic number.

It is an amenable number.

10818805 is a deficient number, since it is larger than the sum of its proper divisors (2163767).

10818805 is an equidigital number, since it uses as much as digits as its factorization.

10818805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163766.

The product of its (nonzero) digits is 2560, while the sum is 31.

The square root of 10818805 is about 3289.1951903163. The cubic root of 10818805 is about 221.1701085148.

The spelling of 10818805 in words is "ten million, eight hundred eighteen thousand, eight hundred five".