13871141 has 2 divisors, whose sum is σ = 13871142. Its totient is φ = 13871140.

The previous prime is 13871129. The next prime is 13871147. The reversal of 13871141 is 14117831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11082241 + 2788900 = 3329^2 + 1670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13871141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13871141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13871147) 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 as a sum of consecutive naturals, namely, 6935570 + 6935571.

It is an arithmetic number, because the mean of its divisors is an integer number (6935571).

Almost surely, 2^13871141 is an apocalyptic number.

It is an amenable number.

13871141 is a deficient number, since it is larger than the sum of its proper divisors (1).

13871141 is an equidigital number, since it uses as much as digits as its factorization.

13871141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 26.

The square root of 13871141 is about 3724.3980721722. The cubic root of 13871141 is about 240.2724972012.

Adding to 13871141 its reverse (14117831), we get a palindrome (27988972).

The spelling of 13871141 in words is "thirteen million, eight hundred seventy-one thousand, one hundred forty-one".