13228045 has 8 divisors (see below), whose sum is σ = 15904224. Its totient is φ = 10562064.

The previous prime is 13228043. The next prime is 13228049. The reversal of 13228045 is 54082231.

13228045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 13228045 - 2¹ = 13228043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13228043) 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 7 ways as a sum of consecutive naturals, for example, 682 + ... + 5188.

It is an arithmetic number, because the mean of its divisors is an integer number (1988028).

Almost surely, 2^13228045 is an apocalyptic number.

It is an amenable number.

13228045 is a deficient number, since it is larger than the sum of its proper divisors (2676179).

13228045 is an equidigital number, since it uses as much as digits as its factorization.

13228045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 13228045 is about 3637.0379431620. The cubic root of 13228045 is about 236.5004045065.

The spelling of 13228045 in words is "thirteen million, two hundred twenty-eight thousand, forty-five".