11689585 has 8 divisors (see below), whose sum is σ = 14080896. Its totient is φ = 9316080.

The previous prime is 11689583. The next prime is 11689597. The reversal of 11689585 is 58598611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11689585 - 2¹ = 11689583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11689583) 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 7 ways as a sum of consecutive naturals, for example, 2959 + ... + 5668.

It is an arithmetic number, because the mean of its divisors is an integer number (1760112).

Almost surely, 2^11689585 is an apocalyptic number.

It is an amenable number.

11689585 is a deficient number, since it is larger than the sum of its proper divisors (2391311).

11689585 is an equidigital number, since it uses as much as digits as its factorization.

11689585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903.

The product of its digits is 86400, while the sum is 43.

The square root of 11689585 is about 3419.0035097964. The cubic root of 11689585 is about 226.9514862008.

The spelling of 11689585 in words is "eleven million, six hundred eighty-nine thousand, five hundred eighty-five".