11716613 has 2 divisors, whose sum is σ = 11716614. Its totient is φ = 11716612.

The previous prime is 11716571. The next prime is 11716669. The reversal of 11716613 is 31661711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7059649 + 4656964 = 2657^2 + 2158^2 .

It is an emirp because it is prime and its reverse (31661711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11716613 - 2¹⁰ = 11715589 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₇₇₀₆₅₁ and since 11716613 and 770651 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11796613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5858306 + 5858307.

It is an arithmetic number, because the mean of its divisors is an integer number (5858307).

Almost surely, 2^11716613 is an apocalyptic number.

It is an amenable number.

11716613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11716613 is an equidigital number, since it uses as much as digits as its factorization.

11716613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 26.

The square root of 11716613 is about 3422.9538413481. The cubic root of 11716613 is about 227.1262663786.

The spelling of 11716613 in words is "eleven million, seven hundred sixteen thousand, six hundred thirteen".