13320044 has 12 divisors (see below), whose sum is σ = 24681384. Its totient is φ = 6268224.

The previous prime is 13320029. The next prime is 13320071. The reversal of 13320044 is 44002331.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 97874 + ... + 98009.

It is an arithmetic number, because the mean of its divisors is an integer number (2056782).

Almost surely, 2^13320044 is an apocalyptic number.

It is an amenable number.

13320044 is a deficient number, since it is larger than the sum of its proper divisors (11361340).

13320044 is a wasteful number, since it uses less digits than its factorization.

13320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195904 (or 195902 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13320044 is about 3649.6635461368. The cubic root of 13320044 is about 237.0474128765.

Adding to 13320044 its reverse (44002331), we get a palindrome (57322375).

The spelling of 13320044 in words is "thirteen million, three hundred twenty thousand, forty-four".