13211044 has 48 divisors (see below), whose sum is σ = 29352960. Its totient is φ = 5052960.

The previous prime is 13210937. The next prime is 13211059. The reversal of 13211044 is 44011231.

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 15 ways as a sum of consecutive naturals, for example, 17809 + ... + 18535.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^13211044 is an apocalyptic number.

13211044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13211044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14676480).

13211044 is an abundant number, since it is smaller than the sum of its proper divisors (16141916).

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

13211044 is a wasteful number, since it uses less digits than its factorization.

13211044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13211044 is about 3634.6999876193. The cubic root of 13211044 is about 236.3990424099.

Adding to 13211044 its reverse (44011231), we get a palindrome (57222275).

The spelling of 13211044 in words is "thirteen million, two hundred eleven thousand, forty-four".