13253226 has 48 divisors (see below), whose sum is σ = 31381920. Its totient is φ = 3719520.

The previous prime is 13253197. The next prime is 13253237. The reversal of 13253226 is 62235231.

13253226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13253196 and 13253205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17565 + ... + 18303.

It is an arithmetic number, because the mean of its divisors is an integer number (653790).

Almost surely, 2^13253226 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13253226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15690960).

13253226 is an abundant number, since it is smaller than the sum of its proper divisors (18128694).

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

13253226 is a wasteful number, since it uses less digits than its factorization.

13253226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819 (or 812 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 13253226 is about 3640.4980428507. The cubic root of 13253226 is about 236.6503773311.

Adding to 13253226 its reverse (62235231), we get a palindrome (75488457).

The spelling of 13253226 in words is "thirteen million, two hundred fifty-three thousand, two hundred twenty-six".