13226818 has 8 divisors (see below), whose sum is σ = 21643920. Its totient is φ = 6012180.

The previous prime is 13226783. The next prime is 13226819. The reversal of 13226818 is 81862231.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13226818.

It is not an unprimeable number, because it can be changed into a prime (13226819) 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, 300588 + ... + 300631.

It is an arithmetic number, because the mean of its divisors is an integer number (2705490).

Almost surely, 2^13226818 is an apocalyptic number.

13226818 is a deficient number, since it is larger than the sum of its proper divisors (8417102).

13226818 is a wasteful number, since it uses less digits than its factorization.

13226818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601232.

The product of its digits is 4608, while the sum is 31.

The square root of 13226818 is about 3636.8692580295. The cubic root of 13226818 is about 236.4930918873.

The spelling of 13226818 in words is "thirteen million, two hundred twenty-six thousand, eight hundred eighteen".