11680609 has 2 divisors, whose sum is σ = 11680610. Its totient is φ = 11680608.

The previous prime is 11680607. The next prime is 11680621. The reversal of 11680609 is 90608611.

It is a happy number.

11680609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6906384 + 4774225 = 2628^2 + 2185^2 .

It is a cyclic number.

It is not a de Polignac number, because 11680609 - 2¹ = 11680607 is a prime.

It is a super-2 number, since 2×11680609² = 272873253221762, which contains 22 as substring.

Together with 11680607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11680601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5840304 + 5840305.

It is an arithmetic number, because the mean of its divisors is an integer number (5840305).

Almost surely, 2^11680609 is an apocalyptic number.

It is an amenable number.

11680609 is a deficient number, since it is larger than the sum of its proper divisors (1).

11680609 is an equidigital number, since it uses as much as digits as its factorization.

11680609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 11680609 is about 3417.6905945389. The cubic root of 11680609 is about 226.8933821086.

The spelling of 11680609 in words is "eleven million, six hundred eighty thousand, six hundred nine".