11716309 has 12 divisors (see below), whose sum is σ = 13231372. Its totient is φ = 10359360.

The previous prime is 11716307. The next prime is 11716321. The reversal of 11716309 is 90361711.

It can be written as a sum of positive squares in 2 ways, for example, as 11035684 + 680625 = 3322^2 + 825^2 .

It is not a de Polignac number, because 11716309 - 2¹ = 11716307 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11716307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3169 + ... + 5785.

Almost surely, 2^11716309 is an apocalyptic number.

It is an amenable number.

11716309 is a deficient number, since it is larger than the sum of its proper divisors (1515063).

11716309 is a wasteful number, since it uses less digits than its factorization.

11716309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676 (or 2665 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 11716309 is about 3422.9094349690. The cubic root of 11716309 is about 227.1243020173.

The spelling of 11716309 in words is "eleven million, seven hundred sixteen thousand, three hundred nine".