14709217 has 2 divisors, whose sum is σ = 14709218. Its totient is φ = 14709216.

The previous prime is 14709209. The next prime is 14709263. The reversal of 14709217 is 71290741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9492561 + 5216656 = 3081^2 + 2284^2 .

It is a cyclic number.

It is not a de Polignac number, because 14709217 - 2³ = 14709209 is a prime.

It is a super-2 number, since 2×14709217² = 432722129506178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14709517) 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, 7354608 + 7354609.

It is an arithmetic number, because the mean of its divisors is an integer number (7354609).

Almost surely, 2^14709217 is an apocalyptic number.

It is an amenable number.

14709217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14709217 is an equidigital number, since it uses as much as digits as its factorization.

14709217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 14709217 is about 3835.2597043747. The cubic root of 14709217 is about 245.0171694201.

Adding to 14709217 its reverse (71290741), we get a palindrome (85999958).

The spelling of 14709217 in words is "fourteen million, seven hundred nine thousand, two hundred seventeen".