13043444 has 12 divisors (see below), whose sum is σ = 22859424. Its totient is φ = 6512184.

The previous prime is 13043441. The next prime is 13043449. The reversal of 13043444 is 44434031.

13043444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13043444² = 340262862762272, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337 + ... + 5279.

It is an arithmetic number, because the mean of its divisors is an integer number (1904952).

Almost surely, 2^13043444 is an apocalyptic number.

It is an amenable number.

13043444 is a deficient number, since it is larger than the sum of its proper divisors (9815980).

13043444 is a wasteful number, since it uses less digits than its factorization.

13043444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 13043444 is about 3611.5708493673. The cubic root of 13043444 is about 235.3951041658.

Adding to 13043444 its reverse (44434031), we get a palindrome (57477475).

The spelling of 13043444 in words is "thirteen million, forty-three thousand, four hundred forty-four".