14263681 has 2 divisors, whose sum is σ = 14263682. Its totient is φ = 14263680.

The previous prime is 14263649. The next prime is 14263693. The reversal of 14263681 is 18636241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9241600 + 5022081 = 3040^2 + 2241^2 .

It is a cyclic number.

It is not a de Polignac number, because 14263681 - 2⁵ = 14263649 is a prime.

It is a super-2 number, since 2×14263681² = 406905191339522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14260681) 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, 7131840 + 7131841.

It is an arithmetic number, because the mean of its divisors is an integer number (7131841).

Almost surely, 2^14263681 is an apocalyptic number.

It is an amenable number.

14263681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14263681 is an equidigital number, since it uses as much as digits as its factorization.

14263681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 14263681 is about 3776.7288756277. The cubic root of 14263681 is about 242.5179410682.

The spelling of 14263681 in words is "fourteen million, two hundred sixty-three thousand, six hundred eighty-one".