14897209 has 2 divisors, whose sum is σ = 14897210. Its totient is φ = 14897208.

The previous prime is 14897177. The next prime is 14897251. The reversal of 14897209 is 90279841.

14897209 is nontrivially palindromic in base 11.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8410000 + 6487209 = 2900^2 + 2547^2 .

It is a cyclic number.

It is not a de Polignac number, because 14897209 - 2⁵ = 14897177 is a prime.

It is not a weakly prime, because it can be changed into another prime (14897299) 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 as a sum of consecutive naturals, namely, 7448604 + 7448605.

It is an arithmetic number, because the mean of its divisors is an integer number (7448605).

Almost surely, 2^14897209 is an apocalyptic number.

It is an amenable number.

14897209 is a deficient number, since it is larger than the sum of its proper divisors (1).

14897209 is an equidigital number, since it uses as much as digits as its factorization.

14897209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 14897209 is about 3859.6902725478. The cubic root of 14897209 is about 246.0565725752.

The spelling of 14897209 in words is "fourteen million, eight hundred ninety-seven thousand, two hundred nine".