13320826 has 8 divisors (see below), whose sum is σ = 21156660. Its totient is φ = 6268608.

The previous prime is 13320817. The next prime is 13320829. The reversal of 13320826 is 62802331.

13320826 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13315201 + 5625 = 3649^2 + 75^2 .

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 13320826.

It is not an unprimeable number, because it can be changed into a prime (13320829) 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, 195861 + ... + 195928.

Almost surely, 2^13320826 is an apocalyptic number.

13320826 is a deficient number, since it is larger than the sum of its proper divisors (7835834).

13320826 is a wasteful number, since it uses less digits than its factorization.

13320826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391808.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13320826 is about 3649.7706777276. The cubic root of 13320826 is about 237.0520516862.

The spelling of 13320826 in words is "thirteen million, three hundred twenty thousand, eight hundred twenty-six".