14209957 has 2 divisors, whose sum is σ = 14209958. Its totient is φ = 14209956.

The previous prime is 14209939. The next prime is 14209999. The reversal of 14209957 is 75990241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12574116 + 1635841 = 3546^2 + 1279^2 .

It is a cyclic number.

It is not a de Polignac number, because 14209957 - 2¹⁹ = 13685669 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14209907) 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, 7104978 + 7104979.

It is an arithmetic number, because the mean of its divisors is an integer number (7104979).

Almost surely, 2^14209957 is an apocalyptic number.

It is an amenable number.

14209957 is a deficient number, since it is larger than the sum of its proper divisors (1).

14209957 is an equidigital number, since it uses as much as digits as its factorization.

14209957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 14209957 is about 3769.6096614902. The cubic root of 14209957 is about 242.2130775928.

The spelling of 14209957 in words is "fourteen million, two hundred nine thousand, nine hundred fifty-seven".