14666693 has 2 divisors, whose sum is σ = 14666694. Its totient is φ = 14666692.

The previous prime is 14666677. The next prime is 14666719. The reversal of 14666693 is 39666641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8988004 + 5678689 = 2998^2 + 2383^2 .

It is a cyclic number.

It is not a de Polignac number, because 14666693 - 2⁴ = 14666677 is a prime.

It is a super-2 number, since 2×14666693² = 430223767112498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14666693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14666623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7333346 + 7333347.

It is an arithmetic number, because the mean of its divisors is an integer number (7333347).

Almost surely, 2^14666693 is an apocalyptic number.

It is an amenable number.

14666693 is a deficient number, since it is larger than the sum of its proper divisors (1).

14666693 is an equidigital number, since it uses as much as digits as its factorization.

14666693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 41.

The square root of 14666693 is about 3829.7118690575. The cubic root of 14666693 is about 244.7808285658.

The spelling of 14666693 in words is "fourteen million, six hundred sixty-six thousand, six hundred ninety-three".