13243252 has 24 divisors (see below), whose sum is σ = 25375392. Its totient is φ = 5997600.

The previous prime is 13243213. The next prime is 13243253. The reversal of 13243252 is 25234231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21298 + ... + 21910.

It is an arithmetic number, because the mean of its divisors is an integer number (1057308).

Almost surely, 2^13243252 is an apocalyptic number.

It is an amenable number.

13243252 is a deficient number, since it is larger than the sum of its proper divisors (12132140).

13243252 is a wasteful number, since it uses less digits than its factorization.

13243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1117 counting only the distinct ones).

The product of its digits is 1440, while the sum is 22.

The square root of 13243252 is about 3639.1279175099. The cubic root of 13243252 is about 236.5909969905.

Adding to 13243252 its reverse (25234231), we get a palindrome (38477483).

It can be divided in two parts, 13243 and 252, that multiplied together give a triangular number (3337236 = T₂₅₈₃).

The spelling of 13243252 in words is "thirteen million, two hundred forty-three thousand, two hundred fifty-two".