13668826 has 8 divisors (see below), whose sum is σ = 21003444. Its totient is φ = 6667680.

The previous prime is 13668793. The next prime is 13668827. The reversal of 13668826 is 62886631.

It can be written as a sum of positive squares in 2 ways, for example, as 10896601 + 2772225 = 3301^2 + 1665^2 .

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 (13668827) 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 in 3 ways as a sum of consecutive naturals, for example, 83265 + ... + 83428.

Almost surely, 2^13668826 is an apocalyptic number.

13668826 is a deficient number, since it is larger than the sum of its proper divisors (7334618).

13668826 is a wasteful number, since it uses less digits than its factorization.

13668826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166736.

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

The square root of 13668826 is about 3697.1375413960. The cubic root of 13668826 is about 239.0986212041.

The spelling of 13668826 in words is "thirteen million, six hundred sixty-eight thousand, eight hundred twenty-six".