13032444 has 36 divisors (see below), whose sum is σ = 31804136. Its totient is φ = 4153248.

The previous prime is 13032427. The next prime is 13032449. The reversal of 13032444 is 44423031.

It is a super-2 number, since 2×13032444² = 339689193226272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13032444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5322 + ... + 7374.

Almost surely, 2^13032444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13032444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15902068).

13032444 is an abundant number, since it is smaller than the sum of its proper divisors (18771692).

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

13032444 is a wasteful number, since it uses less digits than its factorization.

13032444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13032444 is about 3610.0476451150. The cubic root of 13032444 is about 235.3289132022.

Adding to 13032444 its reverse (44423031), we get a palindrome (57455475).

The spelling of 13032444 in words is "thirteen million, thirty-two thousand, four hundred forty-four".