13361444 has 12 divisors (see below), whose sum is σ = 23417100. Its totient is φ = 6670848.

The previous prime is 13361441. The next prime is 13361479. The reversal of 13361444 is 44416331.

It can be written as a sum of positive squares in 2 ways, for example, as 9796900 + 3564544 = 3130^2 + 1888^2 .

It is not an unprimeable number, because it can be changed into a prime (13361441) 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, 1172 + ... + 5300.

It is an arithmetic number, because the mean of its divisors is an integer number (1951425).

Almost surely, 2^13361444 is an apocalyptic number.

It is an amenable number.

13361444 is a deficient number, since it is larger than the sum of its proper divisors (10055656).

13361444 is a wasteful number, since it uses less digits than its factorization.

13361444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4942 (or 4940 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 13361444 is about 3655.3309015738. The cubic root of 13361444 is about 237.2927477276.

Adding to 13361444 its reverse (44416331), we get a palindrome (57777775).

The spelling of 13361444 in words is "thirteen million, three hundred sixty-one thousand, four hundred forty-four".