8113691 has 2 divisors, whose sum is σ = 8113692. Its totient is φ = 8113690.

The previous prime is 8113681. The next prime is 8113711. The reversal of 8113691 is 1963118.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8113691 - 2¹⁰ = 8112667 is a prime.

It is not a weakly prime, because it can be changed into another prime (8113601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4056845 + 4056846.

It is an arithmetic number, because the mean of its divisors is an integer number (4056846).

Almost surely, 2^8113691 is an apocalyptic number.

8113691 is a deficient number, since it is larger than the sum of its proper divisors (1).

8113691 is an equidigital number, since it uses as much as digits as its factorization.

8113691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 29.

The square root of 8113691 is about 2848.4541421620. The cubic root of 8113691 is about 200.9429720313.

The spelling of 8113691 in words is "eight million, one hundred thirteen thousand, six hundred ninety-one".