14365681 has 4 divisors (see below), whose sum is σ = 15671664. Its totient is φ = 13059700.

The previous prime is 14365669. The next prime is 14365709. The reversal of 14365681 is 18656341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14365681 - 2⁵ = 14365649 is a prime.

It is a super-2 number, since 2×14365681² = 412745581187522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14365601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 652975 + ... + 652996.

It is an arithmetic number, because the mean of its divisors is an integer number (3917916).

Almost surely, 2^14365681 is an apocalyptic number.

14365681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14365681 is a deficient number, since it is larger than the sum of its proper divisors (1305983).

14365681 is a wasteful number, since it uses less digits than its factorization.

14365681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305982.

The product of its digits is 17280, while the sum is 34.

The square root of 14365681 is about 3790.2085694589. The cubic root of 14365681 is about 243.0946528472.

It can be divided in two parts, 1436 and 5681, that added together give a palindrome (7117).

The spelling of 14365681 in words is "fourteen million, three hundred sixty-five thousand, six hundred eighty-one".