14021897 has 2 divisors, whose sum is σ = 14021898. Its totient is φ = 14021896.

The previous prime is 14021879. The next prime is 14021929. The reversal of 14021897 is 79812041.

Together with previous prime (14021879) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (14021929) can be obtained adding 14021897 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13388281 + 633616 = 3659^2 + 796^2 .

It is a cyclic number.

It is not a de Polignac number, because 14021897 - 2¹⁰ = 14020873 is a prime.

It is a super-2 number, since 2×14021897² = 393227190957218, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14021807) 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, 7010948 + 7010949.

It is an arithmetic number, because the mean of its divisors is an integer number (7010949).

Almost surely, 2^14021897 is an apocalyptic number.

It is an amenable number.

14021897 is a deficient number, since it is larger than the sum of its proper divisors (1).

14021897 is an equidigital number, since it uses as much as digits as its factorization.

14021897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 14021897 is about 3744.5823532138. The cubic root of 14021897 is about 241.1398154520.

The spelling of 14021897 in words is "fourteen million, twenty-one thousand, eight hundred ninety-seven".