13003244 has 6 divisors (see below), whose sum is σ = 22755684. Its totient is φ = 6501620.

The previous prime is 13003231. The next prime is 13003247. The reversal of 13003244 is 44230031.

It is not an unprimeable number, because it can be changed into a prime (13003247) by changing a digit.

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 as a sum of consecutive naturals, namely, 1625402 + ... + 1625409.

It is an arithmetic number, because the mean of its divisors is an integer number (3792614).

Almost surely, 2^13003244 is an apocalyptic number.

It is an amenable number.

13003244 is a deficient number, since it is larger than the sum of its proper divisors (9752440).

13003244 is a wasteful number, since it uses less digits than its factorization.

13003244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250815 (or 3250813 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13003244 is about 3606.0011092622. The cubic root of 13003244 is about 235.1530254268.

Adding to 13003244 its reverse (44230031), we get a palindrome (57233275).

The spelling of 13003244 in words is "thirteen million, three thousand, two hundred forty-four".