13666882 has 8 divisors (see below), whose sum is σ = 20552652. Its totient is φ = 6816000.

The previous prime is 13666879. The next prime is 13666883. The reversal of 13666882 is 28866631.

It can be written as a sum of positive squares in 2 ways, for example, as 9541921 + 4124961 = 3089^2 + 2031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13666883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7719 + ... + 9322.

Almost surely, 2^13666882 is an apocalyptic number.

13666882 is a deficient number, since it is larger than the sum of its proper divisors (6885770).

13666882 is a wasteful number, since it uses less digits than its factorization.

13666882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17444.

The product of its digits is 82944, while the sum is 40.

The square root of 13666882 is about 3696.8746259510. The cubic root of 13666882 is about 239.0872856840.

The spelling of 13666882 in words is "thirteen million, six hundred sixty-six thousand, eight hundred eighty-two".