11706009 has 16 divisors (see below), whose sum is σ = 17999232. Its totient is φ = 6628608.

The previous prime is 11705987. The next prime is 11706017. The reversal of 11706009 is 90060711.

11706009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11706009 - 2⁵ = 11705977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11706009.

It is not an unprimeable number, because it can be changed into a prime (11706049) 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 15 ways as a sum of consecutive naturals, for example, 94 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (1124952).

Almost surely, 2^11706009 is an apocalyptic number.

It is an amenable number.

11706009 is a deficient number, since it is larger than the sum of its proper divisors (6293223).

11706009 is a wasteful number, since it uses less digits than its factorization.

11706009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 11706009 is about 3421.4045361518. The cubic root of 11706009 is about 227.0577262674.

The spelling of 11706009 in words is "eleven million, seven hundred six thousand, nine".