13163344 has 20 divisors (see below), whose sum is σ = 26327680. Its totient is φ = 6369120.

The previous prime is 13163323. The next prime is 13163347. The reversal of 13163344 is 44336131.

It is a happy number.

13163344 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13163347) 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, 12774 + ... + 13765.

It is an arithmetic number, because the mean of its divisors is an integer number (1316384).

Almost surely, 2^13163344 is an apocalyptic number.

It is an amenable number.

13163344 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.

13163344 is a wasteful number, since it uses less digits than its factorization.

13163344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26578 (or 26572 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 13163344 is about 3628.1323018876. The cubic root of 13163344 is about 236.1141839487.

Adding to 13163344 its reverse (44336131), we get a palindrome (57499475).

The spelling of 13163344 in words is "thirteen million, one hundred sixty-three thousand, three hundred forty-four".