13001044 has 24 divisors (see below), whose sum is σ = 26103168. Its totient is φ = 5550240.

The previous prime is 13001029. The next prime is 13001057. The reversal of 13001044 is 44010031.

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, 7962 + ... + 9454.

It is an arithmetic number, because the mean of its divisors is an integer number (1087632).

Almost surely, 2^13001044 is an apocalyptic number.

13001044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13001044 is an abundant number, since it is smaller than the sum of its proper divisors (13102124).

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

13001044 is a wasteful number, since it uses less digits than its factorization.

13001044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815 (or 1813 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13001044 is about 3605.6960493086. The cubic root of 13001044 is about 235.1397629457.

Adding to 13001044 its reverse (44010031), we get a palindrome (57011075).

The spelling of 13001044 in words is "thirteen million, one thousand, forty-four".