12089687 has 2 divisors, whose sum is σ = 12089688. Its totient is φ = 12089686.

The previous prime is 12089683. The next prime is 12089717. The reversal of 12089687 is 78698021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12089687 - 2² = 12089683 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 (12089683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6044843 + 6044844.

It is an arithmetic number, because the mean of its divisors is an integer number (6044844).

Almost surely, 2^12089687 is an apocalyptic number.

12089687 is a deficient number, since it is larger than the sum of its proper divisors (1).

12089687 is an equidigital number, since it uses as much as digits as its factorization.

12089687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 12089687 is about 3477.0227206620. The cubic root of 12089687 is about 229.5118000144.

The spelling of 12089687 in words is "twelve million, eighty-nine thousand, six hundred eighty-seven".