14918947 has 2 divisors, whose sum is σ = 14918948. Its totient is φ = 14918946.

The previous prime is 14918941. The next prime is 14918983. The reversal of 14918947 is 74981941.

14918947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14918947 - 2¹¹ = 14916899 is a prime.

It is not a weakly prime, because it can be changed into another prime (14918941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7459473 + 7459474.

It is an arithmetic number, because the mean of its divisors is an integer number (7459474).

Almost surely, 2^14918947 is an apocalyptic number.

14918947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14918947 is an equidigital number, since it uses as much as digits as its factorization.

14918947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 43.

The square root of 14918947 is about 3862.5052750773. The cubic root of 14918947 is about 246.1761962854.

The spelling of 14918947 in words is "fourteen million, nine hundred eighteen thousand, nine hundred forty-seven".