14028565 has 4 divisors (see below), whose sum is σ = 16834284. Its totient is φ = 11222848.

The previous prime is 14028559. The next prime is 14028571. The reversal of 14028565 is 56582041.

14028565 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 an emirpimes, since its reverse is a distinct semiprime: 56582041 = 1447 ⋅39103.

It is an interprime number because it is at equal distance from previous prime (14028559) and next prime (14028571).

It can be written as a sum of positive squares in 2 ways, for example, as 3118756 + 10909809 = 1766^2 + 3303^2 .

It is a cyclic number.

It is not a de Polignac number, because 14028565 - 2³ = 14028557 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 1402852 + ... + 1402861.

It is an arithmetic number, because the mean of its divisors is an integer number (4208571).

Almost surely, 2^14028565 is an apocalyptic number.

It is an amenable number.

14028565 is a deficient number, since it is larger than the sum of its proper divisors (2805719).

14028565 is an equidigital number, since it uses as much as digits as its factorization.

14028565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805718.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 14028565 is about 3745.4726003537. The cubic root of 14028565 is about 241.1780334259.

The spelling of 14028565 in words is "fourteen million, twenty-eight thousand, five hundred sixty-five".