10809373 has 6 divisors (see below), whose sum is σ = 11195834. Its totient is φ = 10435824.

The previous prime is 10809367. The next prime is 10809391. The reversal of 10809373 is 37390801.

It can be written as a sum of positive squares in 3 ways, for example, as 842724 + 9966649 = 918^2 + 3157^2 .

It is a de Polignac number, because none of the positive numbers 2^k-10809373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10809343) 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 5 ways as a sum of consecutive naturals, for example, 5586 + ... + 7267.

Almost surely, 2^10809373 is an apocalyptic number.

It is an amenable number.

10809373 is a deficient number, since it is larger than the sum of its proper divisors (386461).

10809373 is an equidigital number, since it uses as much as digits as its factorization.

10809373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911 (or 12882 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 10809373 is about 3287.7610922937. The cubic root of 10809373 is about 221.1058166642.

The spelling of 10809373 in words is "ten million, eight hundred nine thousand, three hundred seventy-three".