10809071 has 12 divisors (see below), whose sum is σ = 13378032. Its totient is φ = 8551296.

The previous prime is 10809061. The next prime is 10809077. The reversal of 10809071 is 17090801.

It is not a de Polignac number, because 10809071 - 2¹⁰ = 10808047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10809071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10809077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3386 + ... + 5751.

It is an arithmetic number, because the mean of its divisors is an integer number (1114836).

Almost surely, 2^10809071 is an apocalyptic number.

10809071 is a deficient number, since it is larger than the sum of its proper divisors (2568961).

10809071 is an equidigital number, since it uses as much as digits as its factorization.

10809071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9170 (or 9157 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 10809071 is about 3287.7151640615. The cubic root of 10809071 is about 221.1037575075.

Adding to 10809071 its reverse (17090801), we get a palindrome (27899872).

The spelling of 10809071 in words is "ten million, eight hundred nine thousand, seventy-one".