13244013 has 8 divisors (see below), whose sum is σ = 19620800. Its totient is φ = 8829324.

The previous prime is 13244009. The next prime is 13244027. The reversal of 13244013 is 31044231.

13244013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13244013 - 2² = 13244009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245233 + ... + 245286.

It is an arithmetic number, because the mean of its divisors is an integer number (2452600).

Almost surely, 2^13244013 is an apocalyptic number.

It is an amenable number.

13244013 is a deficient number, since it is larger than the sum of its proper divisors (6376787).

13244013 is an equidigital number, since it uses as much as digits as its factorization.

13244013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490528 (or 490522 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13244013 is about 3639.2324740253. The cubic root of 13244013 is about 236.5955286644.

Adding to 13244013 its reverse (31044231), we get a palindrome (44288244).

The spelling of 13244013 in words is "thirteen million, two hundred forty-four thousand, thirteen".