14705666 has 4 divisors (see below), whose sum is σ = 22058502. Its totient is φ = 7352832.

The previous prime is 14705659. The next prime is 14705681. The reversal of 14705666 is 66650741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66650741 = 1979 ⋅33679.

It can be written as a sum of positive squares in only one way, i.e., 14600041 + 105625 = 3821^2 + 325^2 .

It is a super-2 number, since 2×14705666² = 432513225007112, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3676415 + ... + 3676418.

Almost surely, 2^14705666 is an apocalyptic number.

14705666 is a deficient number, since it is larger than the sum of its proper divisors (7352836).

14705666 is an equidigital number, since it uses as much as digits as its factorization.

14705666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7352835.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 14705666 is about 3834.7967351608. The cubic root of 14705666 is about 244.9974510355.

The spelling of 14705666 in words is "fourteen million, seven hundred five thousand, six hundred sixty-six".