13041444 has 48 divisors (see below), whose sum is σ = 33586560. Its totient is φ = 3912960.

The previous prime is 13041439. The next prime is 13041463. The reversal of 13041444 is 44414031.

It is a self number, because there is not a number n which added to its sum of digits gives 13041444.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5377 + ... + 7415.

It is an arithmetic number, because the mean of its divisors is an integer number (699720).

Almost surely, 2^13041444 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 13041444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16793280).

13041444 is an abundant number, since it is smaller than the sum of its proper divisors (20545116).

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

13041444 is a wasteful number, since it uses less digits than its factorization.

13041444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 2098 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 13041444 is about 3611.2939509267. The cubic root of 13041444 is about 235.3830722139.

Adding to 13041444 its reverse (44414031), we get a palindrome (57455475).

The spelling of 13041444 in words is "thirteen million, forty-one thousand, four hundred forty-four".