14066309 has 2 divisors, whose sum is σ = 14066310. Its totient is φ = 14066308.

The previous prime is 14066267. The next prime is 14066323. The reversal of 14066309 is 90366041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11710084 + 2356225 = 3422^2 + 1535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14066309 is a prime.

It is a super-2 number, since 2×14066309² = 395722097766962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14066329) 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, 7033154 + 7033155.

It is an arithmetic number, because the mean of its divisors is an integer number (7033155).

Almost surely, 2^14066309 is an apocalyptic number.

It is an amenable number.

14066309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14066309 is an equidigital number, since it uses as much as digits as its factorization.

14066309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 14066309 is about 3750.5078322808. The cubic root of 14066309 is about 241.3941370674.

The spelling of 14066309 in words is "fourteen million, sixty-six thousand, three hundred nine".