13641044 has 6 divisors (see below), whose sum is σ = 23871834. Its totient is φ = 6820520.

The previous prime is 13641041. The next prime is 13641073. The reversal of 13641044 is 44014631.

It can be written as a sum of positive squares in only one way, i.e., 12517444 + 1123600 = 3538^2 + 1060^2 .

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13641041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1705127 + ... + 1705134.

It is an arithmetic number, because the mean of its divisors is an integer number (3978639).

Almost surely, 2^13641044 is an apocalyptic number.

It is an amenable number.

13641044 is a deficient number, since it is larger than the sum of its proper divisors (10230790).

13641044 is a wasteful number, since it uses less digits than its factorization.

13641044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410265 (or 3410263 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13641044 is about 3693.3783992437. The cubic root of 13641044 is about 238.9365213674.

Adding to 13641044 its reverse (44014631), we get a palindrome (57655675).

The spelling of 13641044 in words is "thirteen million, six hundred forty-one thousand, forty-four".