11687089 has 8 divisors (see below), whose sum is σ = 11880000. Its totient is φ = 11495952.

The previous prime is 11687077. The next prime is 11687111. The reversal of 11687089 is 98078611.

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

It is a cyclic number.

It is not a de Polignac number, because 11687089 - 2⁵ = 11687057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11687989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19212 + ... + 19810.

It is an arithmetic number, because the mean of its divisors is an integer number (1485000).

Almost surely, 2^11687089 is an apocalyptic number.

It is an amenable number.

11687089 is a deficient number, since it is larger than the sum of its proper divisors (192911).

11687089 is a wasteful number, since it uses less digits than its factorization.

11687089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

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

The square root of 11687089 is about 3418.6384716726. The cubic root of 11687089 is about 226.9353318995.

The spelling of 11687089 in words is "eleven million, six hundred eighty-seven thousand, eighty-nine".