13228801 has 2 divisors, whose sum is σ = 13228802. Its totient is φ = 13228800.

The previous prime is 13228793. The next prime is 13228819. The reversal of 13228801 is 10882231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 1498176 = 3425^2 + 1224^2 .

It is a cyclic number.

It is not a de Polignac number, because 13228801 - 2³ = 13228793 is a prime.

It is not a weakly prime, because it can be changed into another prime (13228861) 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, 6614400 + 6614401.

It is an arithmetic number, because the mean of its divisors is an integer number (6614401).

Almost surely, 2^13228801 is an apocalyptic number.

It is an amenable number.

13228801 is a deficient number, since it is larger than the sum of its proper divisors (1).

13228801 is an equidigital number, since it uses as much as digits as its factorization.

13228801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 13228801 is about 3637.1418724048. The cubic root of 13228801 is about 236.5049098561.

The spelling of 13228801 in words is "thirteen million, two hundred twenty-eight thousand, eight hundred one".