14005643 has 4 divisors (see below), whose sum is σ = 14614608. Its totient is φ = 13396680.

The previous prime is 14005619. The next prime is 14005697. The reversal of 14005643 is 34650041.

It is a happy number.

14005643 is digitally balanced in base 3, 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 is a cyclic number.

It is not a de Polignac number, because 14005643 - 2¹⁰ = 14004619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 608941 = 14005643 / (1 + 4 + 0 + 0 + 5 + 6 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14005843) 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, 304448 + ... + 304493.

It is an arithmetic number, because the mean of its divisors is an integer number (3653652).

Almost surely, 2^14005643 is an apocalyptic number.

14005643 is a deficient number, since it is larger than the sum of its proper divisors (608965).

14005643 is an equidigital number, since it uses as much as digits as its factorization.

14005643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608964.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 14005643 is about 3742.4113883965. The cubic root of 14005643 is about 241.0466040506.

Adding to 14005643 its reverse (34650041), we get a palindrome (48655684).

The spelling of 14005643 in words is "fourteen million, five thousand, six hundred forty-three".