13005044 has 24 divisors (see below), whose sum is σ = 25801440. Its totient is φ = 5685984.

The previous prime is 13005037. The next prime is 13005053. The reversal of 13005044 is 44050031.

13005044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5594 + ... + 7569.

It is an arithmetic number, because the mean of its divisors is an integer number (1075060).

Almost surely, 2^13005044 is an apocalyptic number.

It is an amenable number.

13005044 is a deficient number, since it is larger than the sum of its proper divisors (12796396).

13005044 is a wasteful number, since it uses less digits than its factorization.

13005044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199 (or 13197 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13005044 is about 3606.2506845753. The cubic root of 13005044 is about 235.1638754351.

Adding to 13005044 its reverse (44050031), we get a palindrome (57055075).

The spelling of 13005044 in words is "thirteen million, five thousand, forty-four".