10866805 has 4 divisors (see below), whose sum is σ = 13040172. Its totient is φ = 8693440.

The previous prime is 10866799. The next prime is 10866827. The reversal of 10866805 is 50866801.

It is a happy number.

10866805 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: 50866801 = 1753 ⋅29017.

It can be written as a sum of positive squares in 2 ways, for example, as 4626801 + 6240004 = 2151^2 + 2498^2 .

It is not a de Polignac number, because 10866805 - 2⁵ = 10866773 is a prime.

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, 1086676 + ... + 1086685.

It is an arithmetic number, because the mean of its divisors is an integer number (3260043).

Almost surely, 2^10866805 is an apocalyptic number.

It is an amenable number.

10866805 is a deficient number, since it is larger than the sum of its proper divisors (2173367).

10866805 is an equidigital number, since it uses as much as digits as its factorization.

10866805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173366.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 10866805 is about 3296.4837327067. The cubic root of 10866805 is about 221.4967158581.

The spelling of 10866805 in words is "ten million, eight hundred sixty-six thousand, eight hundred five".