14666947 has 2 divisors, whose sum is σ = 14666948. Its totient is φ = 14666946.

The previous prime is 14666923. The next prime is 14666959. The reversal of 14666947 is 74966641.

It is a strong prime.

It is an emirp because it is prime and its reverse (74966641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14666947 - 2⁷ = 14666819 is a prime.

It is not a weakly prime, because it can be changed into another prime (14666147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7333473 + 7333474.

It is an arithmetic number, because the mean of its divisors is an integer number (7333474).

Almost surely, 2^14666947 is an apocalyptic number.

14666947 is a deficient number, since it is larger than the sum of its proper divisors (1).

14666947 is an equidigital number, since it uses as much as digits as its factorization.

14666947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 14666947 is about 3829.7450306776. The cubic root of 14666947 is about 244.7822416080.

The spelling of 14666947 in words is "fourteen million, six hundred sixty-six thousand, nine hundred forty-seven".