14006647 has 2 divisors, whose sum is σ = 14006648. Its totient is φ = 14006646.

The previous prime is 14006639. The next prime is 14006653. The reversal of 14006647 is 74660041.

It is a strong prime.

It is an emirp because it is prime and its reverse (74660041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14006647 - 2³ = 14006639 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14000647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7003323 + 7003324.

It is an arithmetic number, because the mean of its divisors is an integer number (7003324).

Almost surely, 2^14006647 is an apocalyptic number.

14006647 is a deficient number, since it is larger than the sum of its proper divisors (1).

14006647 is an equidigital number, since it uses as much as digits as its factorization.

14006647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 14006647 is about 3742.5455241052. The cubic root of 14006647 is about 241.0523637530.

Adding to 14006647 its reverse (74660041), we get a palindrome (88666688).

The spelling of 14006647 in words is "fourteen million, six thousand, six hundred forty-seven".