14019947 has 2 divisors, whose sum is σ = 14019948. Its totient is φ = 14019946.

The previous prime is 14019913. The next prime is 14019953. The reversal of 14019947 is 74991041.

It is a strong prime.

It is an emirp because it is prime and its reverse (74991041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14019947 - 2¹⁰ = 14018923 is a prime.

It is not a weakly prime, because it can be changed into another prime (14019977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7009973 + 7009974.

It is an arithmetic number, because the mean of its divisors is an integer number (7009974).

Almost surely, 2^14019947 is an apocalyptic number.

14019947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14019947 is an equidigital number, since it uses as much as digits as its factorization.

14019947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 14019947 is about 3744.3219679937. The cubic root of 14019947 is about 241.1286366403.

The spelling of 14019947 in words is "fourteen million, nineteen thousand, nine hundred forty-seven".