13679668 has 6 divisors (see below), whose sum is σ = 23939426. Its totient is φ = 6839832.

The previous prime is 13679623. The next prime is 13679669. The reversal of 13679668 is 86697631.

It can be written as a sum of positive squares in only one way, i.e., 8892324 + 4787344 = 2982^2 + 2188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13679669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1709955 + ... + 1709962.

Almost surely, 2^13679668 is an apocalyptic number.

It is an amenable number.

13679668 is a deficient number, since it is larger than the sum of its proper divisors (10259758).

13679668 is a wasteful number, since it uses less digits than its factorization.

13679668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3419921 (or 3419919 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 13679668 is about 3698.6035202492. The cubic root of 13679668 is about 239.1618215149.

The spelling of 13679668 in words is "thirteen million, six hundred seventy-nine thousand, six hundred sixty-eight".