11689087 has 2 divisors, whose sum is σ = 11689088. Its totient is φ = 11689086.

The previous prime is 11689079. The next prime is 11689099. The reversal of 11689087 is 78098611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11689087 - 2³ = 11689079 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11689187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5844543 + 5844544.

It is an arithmetic number, because the mean of its divisors is an integer number (5844544).

Almost surely, 2^11689087 is an apocalyptic number.

11689087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11689087 is an equidigital number, since it uses as much as digits as its factorization.

11689087 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11689087 is about 3418.9306807831. The cubic root of 11689087 is about 226.9482632907.

The spelling of 11689087 in words is "eleven million, six hundred eighty-nine thousand, eighty-seven".