13381441 has 16 divisors (see below), whose sum is σ = 14394240. Its totient is φ = 12418560.

The previous prime is 13381427. The next prime is 13381463. The reversal of 13381441 is 14418331.

It is a cyclic number.

It is not a de Polignac number, because 13381441 - 2⁹ = 13380929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13381421) 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 15 ways as a sum of consecutive naturals, for example, 137905 + ... + 138001.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^13381441 is an apocalyptic number.

It is an amenable number.

13381441 is a deficient number, since it is larger than the sum of its proper divisors (1012799).

13381441 is an equidigital number, since it uses as much as digits as its factorization.

13381441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its digits is 1152, while the sum is 25.

The square root of 13381441 is about 3658.0651989816. The cubic root of 13381441 is about 237.4110677190.

Adding to 13381441 its reverse (14418331), we get a palindrome (27799772).

The spelling of 13381441 in words is "thirteen million, three hundred eighty-one thousand, four hundred forty-one".