13232144 has 10 divisors (see below), whose sum is σ = 25637310. Its totient is φ = 6616064.

The previous prime is 13232143. The next prime is 13232147. The reversal of 13232144 is 44123231.

It can be written as a sum of positive squares in only one way, i.e., 8479744 + 4752400 = 2912^2 + 2180^2 .

It is not an unprimeable number, because it can be changed into a prime (13232143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 413489 + ... + 413520.

It is an arithmetic number, because the mean of its divisors is an integer number (2563731).

Almost surely, 2^13232144 is an apocalyptic number.

It is an amenable number.

13232144 is a deficient number, since it is larger than the sum of its proper divisors (12405166).

13232144 is an equidigital number, since it uses as much as digits as its factorization.

13232144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827017 (or 827011 counting only the distinct ones).

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

The square root of 13232144 is about 3637.6014075212. The cubic root of 13232144 is about 236.5248302637.

Adding to 13232144 its reverse (44123231), we get a palindrome (57355375).

The spelling of 13232144 in words is "thirteen million, two hundred thirty-two thousand, one hundred forty-four".