14720647 has 2 divisors, whose sum is σ = 14720648. Its totient is φ = 14720646.

The previous prime is 14720639. The next prime is 14720653. The reversal of 14720647 is 74602741.

14720647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14720647 - 2³ = 14720639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14720347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7360323 + 7360324.

It is an arithmetic number, because the mean of its divisors is an integer number (7360324).

Almost surely, 2^14720647 is an apocalyptic number.

14720647 is a deficient number, since it is larger than the sum of its proper divisors (1).

14720647 is an equidigital number, since it uses as much as digits as its factorization.

14720647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 14720647 is about 3836.7495357399. The cubic root of 14720647 is about 245.0806176458.

The spelling of 14720647 in words is "fourteen million, seven hundred twenty thousand, six hundred forty-seven".