13868611 has 2 divisors, whose sum is σ = 13868612. Its totient is φ = 13868610.

The previous prime is 13868587. The next prime is 13868623. The reversal of 13868611 is 11686831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13868611 is a prime.

It is not a weakly prime, because it can be changed into another prime (13868671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934305 + 6934306.

It is an arithmetic number, because the mean of its divisors is an integer number (6934306).

Almost surely, 2^13868611 is an apocalyptic number.

13868611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13868611 is an equidigital number, since it uses as much as digits as its factorization.

13868611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 13868611 is about 3724.0584044829. The cubic root of 13868611 is about 240.2578883001.

It can be divided in two parts, 13 and 868611, that added together give a square (868624 = 932²).

The spelling of 13868611 in words is "thirteen million, eight hundred sixty-eight thousand, six hundred eleven".