14013666 has 12 divisors (see below), whose sum is σ = 30362982. Its totient is φ = 4671216.

The previous prime is 14013617. The next prime is 14013679. The reversal of 14013666 is 66631041.

It can be written as a sum of positive squares in only one way, i.e., 9790641 + 4223025 = 3129^2 + 2055^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 389251 + ... + 389286.

Almost surely, 2^14013666 is an apocalyptic number.

14013666 is an abundant number, since it is smaller than the sum of its proper divisors (16349316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14013666 is a wasteful number, since it uses less digits than its factorization.

14013666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778545 (or 778542 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 14013666 is about 3743.4831374002. The cubic root of 14013666 is about 241.0926223530.

The spelling of 14013666 in words is "fourteen million, thirteen thousand, six hundred sixty-six".