13228 has 6 divisors (see below), whose sum is σ = 23156. Its totient is φ = 6612.

The previous prime is 13219. The next prime is 13229. The reversal of 13228 is 82231.

It is a happy number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13229) by changing a digit.

13228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1650 + ... + 1657.

2¹³²²⁸ is an apocalyptic number.

It is an amenable number.

13228 is a deficient number, since it is larger than the sum of its proper divisors (9928).

13228 is a wasteful number, since it uses less digits than its factorization.

13228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311 (or 3309 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 13228 is about 115.0130427386. The cubic root of 13228 is about 23.6500136326.

Adding to 13228 its reverse (82231), we get a palindrome (95459).

The spelling of 13228 in words is "thirteen thousand, two hundred twenty-eight".