13241228 has 48 divisors (see below), whose sum is σ = 31121664. Its totient is φ = 4760640.

The previous prime is 13241219. The next prime is 13241243. The reversal of 13241228 is 82214231.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2351 + ... + 5657.

It is an arithmetic number, because the mean of its divisors is an integer number (648368).

Almost surely, 2^13241228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13241228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15560832).

13241228 is an abundant number, since it is smaller than the sum of its proper divisors (17880436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13241228 is a wasteful number, since it uses less digits than its factorization.

13241228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342 (or 3340 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 13241228 is about 3638.8498182805. The cubic root of 13241228 is about 236.5789434411.

Adding to 13241228 its reverse (82214231), we get a palindrome (95455459).

It can be divided in two parts, 1324 and 1228, that added together give a palindrome (2552).

The spelling of 13241228 in words is "thirteen million, two hundred forty-one thousand, two hundred twenty-eight".