14209939 has 2 divisors, whose sum is σ = 14209940. Its totient is φ = 14209938.

The previous prime is 14209931. The next prime is 14209957. The reversal of 14209939 is 93990241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14209939 - 2³ = 14209931 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 14209898 and 14209907.

It is not a weakly prime, because it can be changed into another prime (14209931) 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 as a sum of consecutive naturals, namely, 7104969 + 7104970.

It is an arithmetic number, because the mean of its divisors is an integer number (7104970).

Almost surely, 2^14209939 is an apocalyptic number.

14209939 is a deficient number, since it is larger than the sum of its proper divisors (1).

14209939 is an equidigital number, since it uses as much as digits as its factorization.

14209939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 14209939 is about 3769.6072739743. The cubic root of 14209939 is about 242.2129753209.

The spelling of 14209939 in words is "fourteen million, two hundred nine thousand, nine hundred thirty-nine".