13020244 has 24 divisors (see below), whose sum is σ = 24352160. Its totient is φ = 6073056.

The previous prime is 13020233. The next prime is 13020251. The reversal of 13020244 is 44202031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3814 + ... + 6370.

Almost surely, 2^13020244 is an apocalyptic number.

It is an amenable number.

13020244 is a deficient number, since it is larger than the sum of its proper divisors (11331916).

13020244 is a wasteful number, since it uses less digits than its factorization.

13020244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647 (or 2645 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13020244 is about 3608.3575210891. The cubic root of 13020244 is about 235.2554578297.

Adding to 13020244 its reverse (44202031), we get a palindrome (57222275).

The spelling of 13020244 in words is "thirteen million, twenty thousand, two hundred forty-four".