14216857 has 2 divisors, whose sum is σ = 14216858. Its totient is φ = 14216856.

The previous prime is 14216849. The next prime is 14216887. The reversal of 14216857 is 75861241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12418576 + 1798281 = 3524^2 + 1341^2 .

It is a cyclic number.

It is not a de Polignac number, because 14216857 - 2³ = 14216849 is a prime.

It is not a weakly prime, because it can be changed into another prime (14216887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7108428 + 7108429.

It is an arithmetic number, because the mean of its divisors is an integer number (7108429).

Almost surely, 2^14216857 is an apocalyptic number.

It is an amenable number.

14216857 is a deficient number, since it is larger than the sum of its proper divisors (1).

14216857 is an equidigital number, since it uses as much as digits as its factorization.

14216857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 34.

The square root of 14216857 is about 3770.5247645388. The cubic root of 14216857 is about 242.2522754547.

The spelling of 14216857 in words is "fourteen million, two hundred sixteen thousand, eight hundred fifty-seven".