14887009 has 2 divisors, whose sum is σ = 14887010. Its totient is φ = 14887008.

The previous prime is 14887007. The next prime is 14887027. The reversal of 14887009 is 90078841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7980625 + 6906384 = 2825^2 + 2628^2 .

It is a cyclic number.

It is not a de Polignac number, because 14887009 - 2¹ = 14887007 is a prime.

Together with 14887007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14887001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7443504 + 7443505.

It is an arithmetic number, because the mean of its divisors is an integer number (7443505).

Almost surely, 2^14887009 is an apocalyptic number.

It is an amenable number.

14887009 is a deficient number, since it is larger than the sum of its proper divisors (1).

14887009 is an equidigital number, since it uses as much as digits as its factorization.

14887009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 14887009 is about 3858.3686967422. The cubic root of 14887009 is about 246.0004020969. Note that the first 3 decimals are identical.

The spelling of 14887009 in words is "fourteen million, eight hundred eighty-seven thousand, nine".