13022044 has 54 divisors (see below), whose sum is σ = 27802320. Its totient is φ = 5320224.

The previous prime is 13022041. The next prime is 13022059. The reversal of 13022044 is 44022031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 164797 + ... + 164875.

Almost surely, 2^13022044 is an apocalyptic number.

13022044 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 13022044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13901160).

13022044 is an abundant number, since it is smaller than the sum of its proper divisors (14780276).

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

13022044 is a wasteful number, since it uses less digits than its factorization.

13022044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13022044 is about 3608.6069334301. The cubic root of 13022044 is about 235.2662983924.

Adding to 13022044 its reverse (44022031), we get a palindrome (57044075).

The spelling of 13022044 in words is "thirteen million, twenty-two thousand, forty-four".