13225158 has 48 divisors (see below), whose sum is σ = 29966976. Its totient is φ = 4210560.

The previous prime is 13225151. The next prime is 13225171. The reversal of 13225158 is 85152231.

It is a happy number.

13225158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76360 + ... + 76532.

It is an arithmetic number, because the mean of its divisors is an integer number (624312).

Almost surely, 2^13225158 is an apocalyptic number.

13225158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13225158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14983488).

13225158 is an abundant number, since it is smaller than the sum of its proper divisors (16741818).

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

13225158 is a wasteful number, since it uses less digits than its factorization.

13225158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349 (or 346 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 13225158 is about 3636.6410326014. The cubic root of 13225158 is about 236.4831979744.

Adding to 13225158 its reverse (85152231), we get a palindrome (98377389).

The spelling of 13225158 in words is "thirteen million, two hundred twenty-five thousand, one hundred fifty-eight".