14128217 has 2 divisors, whose sum is σ = 14128218. Its totient is φ = 14128216.

The previous prime is 14128211. The next prime is 14128237. The reversal of 14128217 is 71282141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10426441 + 3701776 = 3229^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 14128217 - 2⁸ = 14127961 is a prime.

It is not a weakly prime, because it can be changed into another prime (14128211) 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, 7064108 + 7064109.

It is an arithmetic number, because the mean of its divisors is an integer number (7064109).

Almost surely, 2^14128217 is an apocalyptic number.

It is an amenable number.

14128217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14128217 is an equidigital number, since it uses as much as digits as its factorization.

14128217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 896, while the sum is 26.

The square root of 14128217 is about 3758.7520535412. The cubic root of 14128217 is about 241.7477564316.

The spelling of 14128217 in words is "fourteen million, one hundred twenty-eight thousand, two hundred seventeen".