13504244 has 12 divisors (see below), whose sum is σ = 25450404. Its totient is φ = 6232704.

The previous prime is 13504219. The next prime is 13504259. The reversal of 13504244 is 44240531.

It can be written as a sum of positive squares in 2 ways, for example, as 1532644 + 11971600 = 1238^2 + 3460^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 129797 + ... + 129900.

It is an arithmetic number, because the mean of its divisors is an integer number (2120867).

Almost surely, 2^13504244 is an apocalyptic number.

It is an amenable number.

13504244 is a deficient number, since it is larger than the sum of its proper divisors (11946160).

13504244 is a wasteful number, since it uses less digits than its factorization.

13504244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259714 (or 259712 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 13504244 is about 3674.8121040402. The cubic root of 13504244 is about 238.1351067738.

Adding to 13504244 its reverse (44240531), we get a palindrome (57744775).

The spelling of 13504244 in words is "thirteen million, five hundred four thousand, two hundred forty-four".