13045444 has 12 divisors (see below), whose sum is σ = 22976044. Its totient is φ = 6480864.

The previous prime is 13045441. The next prime is 13045453. The reversal of 13045444 is 44454031.

13045444 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 8584900 + 4460544 = 2930^2 + 2112^2 .

It is not an unprimeable number, because it can be changed into a prime (13045441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9759 + ... + 11014.

Almost surely, 2^13045444 is an apocalyptic number.

It is an amenable number.

13045444 is a deficient number, since it is larger than the sum of its proper divisors (9930600).

13045444 is a wasteful number, since it uses less digits than its factorization.

13045444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20934 (or 20932 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 13045444 is about 3611.8477265798. The cubic root of 13045444 is about 235.4071348879.

Adding to 13045444 its reverse (44454031), we get a palindrome (57499475).

The spelling of 13045444 in words is "thirteen million, forty-five thousand, four hundred forty-four".