13117244 has 12 divisors (see below), whose sum is σ = 26234544. Its totient is φ = 5621664.

The previous prime is 13117243. The next prime is 13117249. The reversal of 13117244 is 44271131.

It is a happy number.

13117244 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13117241) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 234209 + ... + 234264.

It is an arithmetic number, because the mean of its divisors is an integer number (2186212).

Almost surely, 2^13117244 is an apocalyptic number.

13117244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13117244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13117244 is a wasteful number, since it uses less digits than its factorization.

13117244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468484 (or 468482 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 13117244 is about 3621.7735986668. The cubic root of 13117244 is about 235.8382258166.

Adding to 13117244 its reverse (44271131), we get a palindrome (57388375).

The spelling of 13117244 in words is "thirteen million, one hundred seventeen thousand, two hundred forty-four".