14421697 has 2 divisors, whose sum is σ = 14421698. Its totient is φ = 14421696.

The previous prime is 14421679. The next prime is 14421731. The reversal of 14421697 is 79612441.

Together with previous prime (14421679) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (14421731) can be obtained adding 14421697 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14318656 + 103041 = 3784^2 + 321^2 .

It is an emirp because it is prime and its reverse (79612441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14421697 - 2⁷ = 14421569 is a prime.

It is not a weakly prime, because it can be changed into another prime (14421647) 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, 7210848 + 7210849.

It is an arithmetic number, because the mean of its divisors is an integer number (7210849).

Almost surely, 2^14421697 is an apocalyptic number.

It is an amenable number.

14421697 is a deficient number, since it is larger than the sum of its proper divisors (1).

14421697 is an equidigital number, since it uses as much as digits as its factorization.

14421697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 14421697 is about 3797.5909469030. The cubic root of 14421697 is about 243.4102088165.

The spelling of 14421697 in words is "fourteen million, four hundred twenty-one thousand, six hundred ninety-seven".