14688643 has 2 divisors, whose sum is σ = 14688644. Its totient is φ = 14688642.

The previous prime is 14688623. The next prime is 14688673. The reversal of 14688643 is 34688641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14688643 - 2⁹ = 14688131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14688596 and 14688605.

It is not a weakly prime, because it can be changed into another prime (14688623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7344321 + 7344322.

It is an arithmetic number, because the mean of its divisors is an integer number (7344322).

Almost surely, 2^14688643 is an apocalyptic number.

14688643 is a deficient number, since it is larger than the sum of its proper divisors (1).

14688643 is an equidigital number, since it uses as much as digits as its factorization.

14688643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 14688643 is about 3832.5765484854. The cubic root of 14688643 is about 244.9028797342.

The spelling of 14688643 in words is "fourteen million, six hundred eighty-eight thousand, six hundred forty-three".