13144252 has 12 divisors (see below), whose sum is σ = 25093656. Its totient is φ = 5974640.

The previous prime is 13144249. The next prime is 13144259. The reversal of 13144252 is 25244131.

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 (13144259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149323 + ... + 149410.

It is an arithmetic number, because the mean of its divisors is an integer number (2091138).

Almost surely, 2^13144252 is an apocalyptic number.

It is an amenable number.

13144252 is a deficient number, since it is larger than the sum of its proper divisors (11949404).

13144252 is a wasteful number, since it uses less digits than its factorization.

13144252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298748 (or 298746 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 13144252 is about 3625.5002413460. The cubic root of 13144252 is about 235.9999760605. Note that the first 4 decimals are identical.

Adding to 13144252 its reverse (25244131), we get a palindrome (38388383).

The spelling of 13144252 in words is "thirteen million, one hundred forty-four thousand, two hundred fifty-two".