13047244 has 24 divisors (see below), whose sum is σ = 26466048. Its totient is φ = 5512080.

The previous prime is 13047239. The next prime is 13047253. The reversal of 13047244 is 44274031.

13047244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (1102752).

Almost surely, 2^13047244 is an apocalyptic number.

13047244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13047244 is an abundant number, since it is smaller than the sum of its proper divisors (13418804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13047244 is a wasteful number, since it uses less digits than its factorization.

13047244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645 (or 6643 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 13047244 is about 3612.0968979251. The cubic root of 13047244 is about 235.4179614864.

It can be divided in two parts, 130 and 47244, that added together give a palindrome (47374).

The spelling of 13047244 in words is "thirteen million, forty-seven thousand, two hundred forty-four".