14009643 has 12 divisors (see below), whose sum is σ = 20783568. Its totient is φ = 9087120.

The previous prime is 14009641. The next prime is 14009647. The reversal of 14009643 is 34690041.

14009643 is a `hidden beast` number, since 14 + 0 + 0 + 9 + 643 = 666.

It is not a de Polignac number, because 14009643 - 2¹ = 14009641 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (14009641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20703 + ... + 21368.

It is an arithmetic number, because the mean of its divisors is an integer number (1731964).

Almost surely, 2^14009643 is an apocalyptic number.

14009643 is a deficient number, since it is larger than the sum of its proper divisors (6773925).

14009643 is a wasteful number, since it uses less digits than its factorization.

14009643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42114 (or 42111 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 14009643 is about 3742.9457650359. The cubic root of 14009643 is about 241.0695494363.

Adding to 14009643 its reverse (34690041), we get a palindrome (48699684).

The spelling of 14009643 in words is "fourteen million, nine thousand, six hundred forty-three".