13443244 has 12 divisors (see below), whose sum is σ = 24099768. Its totient is φ = 6557600.

The previous prime is 13443239. The next prime is 13443253. The reversal of 13443244 is 44234431.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40822 + ... + 41149.

It is an arithmetic number, because the mean of its divisors is an integer number (2008314).

Almost surely, 2^13443244 is an apocalyptic number.

It is an amenable number.

13443244 is a deficient number, since it is larger than the sum of its proper divisors (10656524).

13443244 is a wasteful number, since it uses less digits than its factorization.

13443244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82016 (or 82014 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 13443244 is about 3666.5029660427. The cubic root of 13443244 is about 237.7760056221.

Adding to 13443244 its reverse (44234431), we get a palindrome (57677675).

The spelling of 13443244 in words is "thirteen million, four hundred forty-three thousand, two hundred forty-four".