13994066 has 16 divisors (see below), whose sum is σ = 22305240. Its totient is φ = 6572160.

The previous prime is 13994059. The next prime is 13994069. The reversal of 13994066 is 66049931.

It can be written as a sum of positive squares in 4 ways, for example, as 13845841 + 148225 = 3721^2 + 385^2 .

It is not an unprimeable number, because it can be changed into a prime (13994069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115 + ... + 5406.

Almost surely, 2^13994066 is an apocalyptic number.

13994066 is a deficient number, since it is larger than the sum of its proper divisors (8311174).

13994066 is a wasteful number, since it uses less digits than its factorization.

13994066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 13994066 is about 3740.8643386255. The cubic root of 13994066 is about 240.9801697382.

The spelling of 13994066 in words is "thirteen million, nine hundred ninety-four thousand, sixty-six".