13631141 has 4 divisors (see below), whose sum is σ = 13638732. Its totient is φ = 13623552.

The previous prime is 13631117. The next prime is 13631143. The reversal of 13631141 is 14113631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13432225 + 198916 = 3665^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 13631141 - 2¹⁰ = 13630117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13631143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581 + ... + 5253.

It is an arithmetic number, because the mean of its divisors is an integer number (3409683).

Almost surely, 2^13631141 is an apocalyptic number.

It is an amenable number.

13631141 is a deficient number, since it is larger than the sum of its proper divisors (7591).

13631141 is an equidigital number, since it uses as much as digits as its factorization.

13631141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590.

The product of its digits is 216, while the sum is 20.

The square root of 13631141 is about 3692.0375133522. The cubic root of 13631141 is about 238.8786870551.

Adding to 13631141 its reverse (14113631), we get a palindrome (27744772).

The spelling of 13631141 in words is "thirteen million, six hundred thirty-one thousand, one hundred forty-one".