13178668 has 6 divisors (see below), whose sum is σ = 23062676. Its totient is φ = 6589332.

The previous prime is 13178651. The next prime is 13178677. The reversal of 13178668 is 86687131.

It is a self number, because there is not a number n which added to its sum of digits gives 13178668.

It is an unprimeable number.

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, 1647330 + ... + 1647337.

Almost surely, 2^13178668 is an apocalyptic number.

It is an amenable number.

13178668 is a deficient number, since it is larger than the sum of its proper divisors (9884008).

13178668 is a wasteful number, since it uses less digits than its factorization.

13178668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294671 (or 3294669 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 13178668 is about 3630.2435180026. The cubic root of 13178668 is about 236.2057718873.

The spelling of 13178668 in words is "thirteen million, one hundred seventy-eight thousand, six hundred sixty-eight".