14001643 has 2 divisors, whose sum is σ = 14001644. Its totient is φ = 14001642.

The previous prime is 14001607. The next prime is 14001653. The reversal of 14001643 is 34610041.

It is a happy number.

14001643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (34610041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14001643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14001643.

It is not a weakly prime, because it can be changed into another prime (14001653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7000821 + 7000822.

It is an arithmetic number, because the mean of its divisors is an integer number (7000822).

Almost surely, 2^14001643 is an apocalyptic number.

14001643 is a deficient number, since it is larger than the sum of its proper divisors (1).

14001643 is an equidigital number, since it uses as much as digits as its factorization.

14001643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 14001643 is about 3741.8769354430. The cubic root of 14001643 is about 241.0236542957.

Adding to 14001643 its reverse (34610041), we get a palindrome (48611684).

The spelling of 14001643 in words is "fourteen million, one thousand, six hundred forty-three".