14681729 has 4 divisors (see below), whose sum is σ = 14689584. Its totient is φ = 14673876.

The previous prime is 14681717. The next prime is 14681741. The reversal of 14681729 is 92718641.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92718641 = 197 ⋅470653.

It is an interprime number because it is at equal distance from previous prime (14681717) and next prime (14681741).

It is a cyclic number.

It is not a de Polignac number, because 14681729 - 2⁸ = 14681473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14681692 and 14681701.

It is not an unprimeable number, because it can be changed into a prime (14686729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674 + ... + 5460.

It is an arithmetic number, because the mean of its divisors is an integer number (3672396).

Almost surely, 2^14681729 is an apocalyptic number.

It is an amenable number.

14681729 is a deficient number, since it is larger than the sum of its proper divisors (7855).

14681729 is an equidigital number, since it uses as much as digits as its factorization.

14681729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854.

The product of its digits is 24192, while the sum is 38.

The square root of 14681729 is about 3831.6744381536. The cubic root of 14681729 is about 244.8644481320.

The spelling of 14681729 in words is "fourteen million, six hundred eighty-one thousand, seven hundred twenty-nine".