13042044 has 36 divisors (see below), whose sum is σ = 33513480. Its totient is φ = 4275360.

The previous prime is 13042033. The next prime is 13042069. The reversal of 13042044 is 44024031.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 774 + ... + 5165.

It is an arithmetic number, because the mean of its divisors is an integer number (930930).

Almost surely, 2^13042044 is an apocalyptic number.

It is an amenable number.

13042044 is an abundant number, since it is smaller than the sum of its proper divisors (20471436).

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

13042044 is a wasteful number, since it uses less digits than its factorization.

13042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010 (or 6005 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 13042044 is about 3611.3770226882. The cubic root of 13042044 is about 235.3866819286.

Adding to 13042044 its reverse (44024031), we get a palindrome (57066075).

The spelling of 13042044 in words is "thirteen million, forty-two thousand, forty-four".