14327681 has 2 divisors, whose sum is σ = 14327682. Its totient is φ = 14327680.

The previous prime is 14327659. The next prime is 14327683. The reversal of 14327681 is 18672341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14318656 + 9025 = 3784^2 + 95^2 .

It is a cyclic number.

It is not a de Polignac number, because 14327681 - 2¹⁰ = 14326657 is a prime.

It is a super-2 number, since 2×14327681² = 410564885675522, which contains 22 as substring.

Together with 14327683, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14327683) 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, 7163840 + 7163841.

It is an arithmetic number, because the mean of its divisors is an integer number (7163841).

Almost surely, 2^14327681 is an apocalyptic number.

It is an amenable number.

14327681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14327681 is an equidigital number, since it uses as much as digits as its factorization.

14327681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 14327681 is about 3785.1923332903. The cubic root of 14327681 is about 242.8801194771.

The spelling of 14327681 in words is "fourteen million, three hundred twenty-seven thousand, six hundred eighty-one".