14287729 has 2 divisors, whose sum is σ = 14287730. Its totient is φ = 14287728.

The previous prime is 14287727. The next prime is 14287751. The reversal of 14287729 is 92778241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13337104 + 950625 = 3652^2 + 975^2 .

It is an emirp because it is prime and its reverse (92778241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14287729 - 2¹ = 14287727 is a prime.

Together with 14287727, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 14287691 and 14287700.

It is not a weakly prime, because it can be changed into another prime (14287723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7143864 + 7143865.

It is an arithmetic number, because the mean of its divisors is an integer number (7143865).

Almost surely, 2^14287729 is an apocalyptic number.

It is an amenable number.

14287729 is a deficient number, since it is larger than the sum of its proper divisors (1).

14287729 is an equidigital number, since it uses as much as digits as its factorization.

14287729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 14287729 is about 3779.9112423442. The cubic root of 14287729 is about 242.6541564198.

The spelling of 14287729 in words is "fourteen million, two hundred eighty-seven thousand, seven hundred twenty-nine".