14209999 has 2 divisors, whose sum is σ = 14210000. Its totient is φ = 14209998.

The previous prime is 14209957. The next prime is 14210039. The reversal of 14209999 is 99990241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14209999 - 2¹³ = 14201807 is a prime.

14209999 is a modest number, since divided by 9999 gives 1420 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14209919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7104999 + 7105000.

It is an arithmetic number, because the mean of its divisors is an integer number (7105000).

Almost surely, 2^14209999 is an apocalyptic number.

14209999 is a deficient number, since it is larger than the sum of its proper divisors (1).

14209999 is an equidigital number, since it uses as much as digits as its factorization.

14209999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 14209999 is about 3769.6152323546. The cubic root of 14209999 is about 242.2133162268.

The spelling of 14209999 in words is "fourteen million, two hundred nine thousand, nine hundred ninety-nine".