14000643 has 12 divisors (see below), whose sum is σ = 20301840. Its totient is φ = 9297456.

The previous prime is 14000627. The next prime is 14000647. The reversal of 14000643 is 34600041.

It is not a de Polignac number, because 14000643 - 2⁴ = 14000627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14000647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 471 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (1691820).

Almost surely, 2^14000643 is an apocalyptic number.

14000643 is a deficient number, since it is larger than the sum of its proper divisors (6301197).

14000643 is a wasteful number, since it uses less digits than its factorization.

14000643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 14000643 is about 3741.7433102766. The cubic root of 14000643 is about 241.0179161741.

Adding to 14000643 its reverse (34600041), we get a palindrome (48600684).

The spelling of 14000643 in words is "fourteen million, six hundred forty-three", and thus it is an aban number.