13262228 has 48 divisors (see below), whose sum is σ = 28318080. Its totient is φ = 5308416.

The previous prime is 13262173. The next prime is 13262239. The reversal of 13262228 is 82226231.

13262228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Its product of digits (2304) is a multiple of the sum of its prime factors (384).

It is a junction number, because it is equal to n+sod(n) for n = 13262197 and 13262206.

It is a congruent 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, 51476 + ... + 51732.

It is an arithmetic number, because the mean of its divisors is an integer number (589960).

Almost surely, 2^13262228 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 13262228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14159040).

13262228 is an abundant number, since it is smaller than the sum of its proper divisors (15055852).

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

13262228 is a wasteful number, since it uses less digits than its factorization.

13262228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 382 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 13262228 is about 3641.7342022723. The cubic root of 13262228 is about 236.7039452838.

Adding to 13262228 its reverse (82226231), we get a palindrome (95488459).

The spelling of 13262228 in words is "thirteen million, two hundred sixty-two thousand, two hundred twenty-eight".