14718289 has 2 divisors, whose sum is σ = 14718290. Its totient is φ = 14718288.

The previous prime is 14718287. The next prime is 14718313. The reversal of 14718289 is 98281741.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 1937664 = 3575^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 14718289 - 2¹ = 14718287 is a prime.

Together with 14718287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14718287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7359144 + 7359145.

It is an arithmetic number, because the mean of its divisors is an integer number (7359145).

Almost surely, 2^14718289 is an apocalyptic number.

It is an amenable number.

14718289 is a deficient number, since it is larger than the sum of its proper divisors (1).

14718289 is an equidigital number, since it uses as much as digits as its factorization.

14718289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 40.

The square root of 14718289 is about 3836.4422320687. The cubic root of 14718289 is about 245.0675310164.

The spelling of 14718289 in words is "fourteen million, seven hundred eighteen thousand, two hundred eighty-nine".