13144232 has 16 divisors (see below), whose sum is σ = 24923700. Its totient is φ = 6497920.

The previous prime is 13144211. The next prime is 13144249. The reversal of 13144232 is 23244131.

It can be written as a sum of positive squares in 2 ways, for example, as 10666756 + 2477476 = 3266^2 + 1574^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8519 + ... + 9942.

Almost surely, 2^13144232 is an apocalyptic number.

It is an amenable number.

13144232 is a deficient number, since it is larger than the sum of its proper divisors (11779468).

13144232 is a wasteful number, since it uses less digits than its factorization.

13144232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18556 (or 18552 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 13144232 is about 3625.4974831049. The cubic root of 13144232 is about 235.9998563630. Note that the first 3 decimals are identical.

Adding to 13144232 its reverse (23244131), we get a palindrome (36388363).

It can be divided in two parts, 13 and 144232, that multiplied together give a triangular number (1875016 = T₁₉₃₆).

The spelling of 13144232 in words is "thirteen million, one hundred forty-four thousand, two hundred thirty-two".