13313244 has 48 divisors (see below), whose sum is σ = 37594368. Its totient is φ = 3579648.

The previous prime is 13313221. The next prime is 13313257. The reversal of 13313244 is 44231331.

13313244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13313244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3234 + ... + 6089.

It is an arithmetic number, because the mean of its divisors is an integer number (783216).

Almost surely, 2^13313244 is an apocalyptic number.

13313244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13313244 is an abundant number, since it is smaller than the sum of its proper divisors (24281124).

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

13313244 is a wasteful number, since it uses less digits than its factorization.

13313244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354 (or 9352 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 13313244 is about 3648.7318344872. The cubic root of 13313244 is about 237.0070677449.

Adding to 13313244 its reverse (44231331), we get a palindrome (57544575).

The spelling of 13313244 in words is "thirteen million, three hundred thirteen thousand, two hundred forty-four".