14127689 has 4 divisors (see below), whose sum is σ = 14137620. Its totient is φ = 14117760.

The previous prime is 14127677. The next prime is 14127691. The reversal of 14127689 is 98672141.

14127689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98672141 = 109 ⋅905249.

It can be written as a sum of positive squares in 2 ways, for example, as 5175625 + 8952064 = 2275^2 + 2992^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14127689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14127389) 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, 2384 + ... + 5825.

It is an arithmetic number, because the mean of its divisors is an integer number (3534405).

Almost surely, 2^14127689 is an apocalyptic number.

It is an amenable number.

14127689 is a deficient number, since it is larger than the sum of its proper divisors (9931).

14127689 is an equidigital number, since it uses as much as digits as its factorization.

14127689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9930.

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

The square root of 14127689 is about 3758.6818168076. The cubic root of 14127689 is about 241.7447448601.

The spelling of 14127689 in words is "fourteen million, one hundred twenty-seven thousand, six hundred eighty-nine".