14071309 has 4 divisors (see below), whose sum is σ = 16081504. Its totient is φ = 12061116.

The previous prime is 14071307. The next prime is 14071319. The reversal of 14071309 is 90317041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90317041 = 71 ⋅1272071.

It is a cyclic number.

It is not a de Polignac number, because 14071309 - 2¹ = 14071307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14071307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005087 + ... + 1005100.

It is an arithmetic number, because the mean of its divisors is an integer number (4020376).

Almost surely, 2^14071309 is an apocalyptic number.

It is an amenable number.

14071309 is a deficient number, since it is larger than the sum of its proper divisors (2010195).

14071309 is an equidigital number, since it uses as much as digits as its factorization.

14071309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010194.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 14071309 is about 3751.1743494538. The cubic root of 14071309 is about 241.4227356075.

The spelling of 14071309 in words is "fourteen million, seventy-one thousand, three hundred nine".