14428565 has 4 divisors (see below), whose sum is σ = 17314284. Its totient is φ = 11542848.

The previous prime is 14428559. The next prime is 14428643. The reversal of 14428565 is 56582441.

14428565 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7828804 + 6599761 = 2798^2 + 2569^2 .

It is a cyclic number.

It is not a de Polignac number, because 14428565 - 2¹⁰ = 14427541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1442852 + ... + 1442861.

It is an arithmetic number, because the mean of its divisors is an integer number (4328571).

Almost surely, 2^14428565 is an apocalyptic number.

It is an amenable number.

14428565 is a deficient number, since it is larger than the sum of its proper divisors (2885719).

14428565 is an equidigital number, since it uses as much as digits as its factorization.

14428565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885718.

The product of its digits is 38400, while the sum is 35.

The square root of 14428565 is about 3798.4950967456. The cubic root of 14428565 is about 243.4488421805.

The spelling of 14428565 in words is "fourteen million, four hundred twenty-eight thousand, five hundred sixty-five".