14199309 has 6 divisors (see below), whose sum is σ = 20510126. Its totient is φ = 9466200.

The previous prime is 14199307. The next prime is 14199319. The reversal of 14199309 is 90399141.

14199309 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9455625 + 4743684 = 3075^2 + 2178^2 .

It is not a de Polignac number, because 14199309 - 2¹ = 14199307 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 (14199307) 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 in 5 ways as a sum of consecutive naturals, for example, 788842 + ... + 788859.

Almost surely, 2^14199309 is an apocalyptic number.

It is an amenable number.

14199309 is a deficient number, since it is larger than the sum of its proper divisors (6310817).

14199309 is a wasteful number, since it uses less digits than its factorization.

14199309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577707 (or 1577704 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 14199309 is about 3768.1970489878. The cubic root of 14199309 is about 242.1525629992.

The spelling of 14199309 in words is "fourteen million, one hundred ninety-nine thousand, three hundred nine".