11680859 has 4 divisors (see below), whose sum is σ = 11965800. Its totient is φ = 11395920.

The previous prime is 11680841. The next prime is 11680871. The reversal of 11680859 is 95808611.

11680859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11680859 - 2¹⁶ = 11615323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11680759) 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 3 ways as a sum of consecutive naturals, for example, 142409 + ... + 142490.

It is an arithmetic number, because the mean of its divisors is an integer number (2991450).

Almost surely, 2^11680859 is an apocalyptic number.

11680859 is a deficient number, since it is larger than the sum of its proper divisors (284941).

11680859 is an equidigital number, since it uses as much as digits as its factorization.

11680859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284940.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 11680859 is about 3417.7271687483. The cubic root of 11680859 is about 226.8950008296.

The spelling of 11680859 in words is "eleven million, six hundred eighty thousand, eight hundred fifty-nine".