10819805 has 8 divisors (see below), whose sum is σ = 13001472. Its totient is φ = 8644048.

The previous prime is 10819793. The next prime is 10819843. The reversal of 10819805 is 50891801.

It is a happy number.

10819805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10819805 - 2⁶ = 10819741 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 7 ways as a sum of consecutive naturals, for example, 6044 + ... + 7626.

It is an arithmetic number, because the mean of its divisors is an integer number (1625184).

Almost surely, 2^10819805 is an apocalyptic number.

It is an amenable number.

10819805 is a deficient number, since it is larger than the sum of its proper divisors (2181667).

10819805 is a wasteful number, since it uses less digits than its factorization.

10819805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 10819805 is about 3289.3471996735. The cubic root of 10819805 is about 221.1769226775.

The spelling of 10819805 in words is "ten million, eight hundred nineteen thousand, eight hundred five".