11807689 has 2 divisors, whose sum is σ = 11807690. Its totient is φ = 11807688.

The previous prime is 11807659. The next prime is 11807693. The reversal of 11807689 is 98670811.

11807689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11799225 + 8464 = 3435^2 + 92^2 .

It is an emirp because it is prime and its reverse (98670811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11807689 - 2⁵ = 11807657 is a prime.

It is not a weakly prime, because it can be changed into another prime (11807629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5903844 + 5903845.

It is an arithmetic number, because the mean of its divisors is an integer number (5903845).

Almost surely, 2^11807689 is an apocalyptic number.

It is an amenable number.

11807689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11807689 is an equidigital number, since it uses as much as digits as its factorization.

11807689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 11807689 is about 3436.2318024254. The cubic root of 11807689 is about 227.7132501112.

The spelling of 11807689 in words is "eleven million, eight hundred seven thousand, six hundred eighty-nine".