11688587 has 2 divisors, whose sum is σ = 11688588. Its totient is φ = 11688586.

The previous prime is 11688563. The next prime is 11688631. The reversal of 11688587 is 78588611.

11688587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11688631) can be obtained adding 11688587 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11688587 - 2⁸ = 11688331 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11684587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5844293 + 5844294.

It is an arithmetic number, because the mean of its divisors is an integer number (5844294).

Almost surely, 2^11688587 is an apocalyptic number.

11688587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11688587 is an equidigital number, since it uses as much as digits as its factorization.

11688587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 107520, while the sum is 44.

The square root of 11688587 is about 3418.8575577230. The cubic root of 11688587 is about 226.9450273450.

The spelling of 11688587 in words is "eleven million, six hundred eighty-eight thousand, five hundred eighty-seven".