14009729 has 2 divisors, whose sum is σ = 14009730. Its totient is φ = 14009728.

The previous prime is 14009719. The next prime is 14009731. The reversal of 14009729 is 92790041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13126129 + 883600 = 3623^2 + 940^2 .

It is an emirp because it is prime and its reverse (92790041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14009729 - 2¹⁶ = 13944193 is a prime.

Together with 14009731, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14009695 and 14009704.

It is not a weakly prime, because it can be changed into another prime (14009719) 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, 7004864 + 7004865.

It is an arithmetic number, because the mean of its divisors is an integer number (7004865).

Almost surely, 2^14009729 is an apocalyptic number.

It is an amenable number.

14009729 is a deficient number, since it is larger than the sum of its proper divisors (1).

14009729 is an equidigital number, since it uses as much as digits as its factorization.

14009729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 14009729 is about 3742.9572532958. The cubic root of 14009729 is about 241.0700427141.

The spelling of 14009729 in words is "fourteen million, nine thousand, seven hundred twenty-nine".