14014309 has 4 divisors (see below), whose sum is σ = 14087116. Its totient is φ = 13941504.

The previous prime is 14014271. The next prime is 14014339. The reversal of 14014309 is 90341041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90341041 = 7 ⋅12905863.

It can be written as a sum of positive squares in 2 ways, for example, as 7306209 + 6708100 = 2703^2 + 2590^2 .

It is a cyclic number.

It is not a de Polignac number, because 14014309 - 2⁷ = 14014181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14014309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14014339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36114 + ... + 36499.

It is an arithmetic number, because the mean of its divisors is an integer number (3521779).

Almost surely, 2^14014309 is an apocalyptic number.

It is an amenable number.

14014309 is a deficient number, since it is larger than the sum of its proper divisors (72807).

14014309 is an equidigital number, since it uses as much as digits as its factorization.

14014309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72806.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 14014309 is about 3743.5690189978. The cubic root of 14014309 is about 241.0963097104.

The spelling of 14014309 in words is "fourteen million, fourteen thousand, three hundred nine".