13887611 has 2 divisors, whose sum is σ = 13887612. Its totient is φ = 13887610.

The previous prime is 13887571. The next prime is 13887641. The reversal of 13887611 is 11678831.

It is a strong prime.

It is an emirp because it is prime and its reverse (11678831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13887611 - 2⁶ = 13887547 is a prime.

It is a super-3 number, since 3×13887611³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13887641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6943805 + 6943806.

It is an arithmetic number, because the mean of its divisors is an integer number (6943806).

Almost surely, 2^13887611 is an apocalyptic number.

13887611 is a deficient number, since it is larger than the sum of its proper divisors (1).

13887611 is an equidigital number, since it uses as much as digits as its factorization.

13887611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 35.

The square root of 13887611 is about 3726.6085117705. The cubic root of 13887611 is about 240.3675560197.

The spelling of 13887611 in words is "thirteen million, eight hundred eighty-seven thousand, six hundred eleven".