14128769 has 2 divisors, whose sum is σ = 14128770. Its totient is φ = 14128768.

The previous prime is 14128757. The next prime is 14128781. The reversal of 14128769 is 96782141.

14128769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (14128757) and next prime (14128781).

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 4048144 = 3175^2 + 2012^2 .

It is an emirp because it is prime and its reverse (96782141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14128769 - 2¹² = 14124673 is a prime.

It is a super-2 number, since 2×14128769² = 399244226910722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14128069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7064384 + 7064385.

It is an arithmetic number, because the mean of its divisors is an integer number (7064385).

Almost surely, 2^14128769 is an apocalyptic number.

It is an amenable number.

14128769 is a deficient number, since it is larger than the sum of its proper divisors (1).

14128769 is an equidigital number, since it uses as much as digits as its factorization.

14128769 is an evil number, because the sum of its binary digits is even.

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

The square root of 14128769 is about 3758.8254814503. The cubic root of 14128769 is about 241.7509048124.

The spelling of 14128769 in words is "fourteen million, one hundred twenty-eight thousand, seven hundred sixty-nine".