13253244 has 48 divisors (see below), whose sum is σ = 33331200. Its totient is φ = 4086720.

The previous prime is 13253239. The next prime is 13253249. The reversal of 13253244 is 44235231.

It is an interprime number because it is at equal distance from previous prime (13253239) and next prime (13253249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13253249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7782 + ... + 9330.

It is an arithmetic number, because the mean of its divisors is an integer number (694400).

Almost surely, 2^13253244 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 13253244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16665600).

13253244 is an abundant number, since it is smaller than the sum of its proper divisors (20077956).

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

13253244 is a wasteful number, since it uses less digits than its factorization.

13253244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1608 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 13253244 is about 3640.5005150391. The cubic root of 13253244 is about 236.6504844674.

Adding to 13253244 its reverse (44235231), we get a palindrome (57488475).

The spelling of 13253244 in words is "thirteen million, two hundred fifty-three thousand, two hundred forty-four".