13887411 has 12 divisors (see below), whose sum is σ = 19137096. Its totient is φ = 8957760.

The previous prime is 13887407. The next prime is 13887421. The reversal of 13887411 is 11478831.

It is not a de Polignac number, because 13887411 - 2² = 13887407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13887421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 475 + ... + 5291.

It is an arithmetic number, because the mean of its divisors is an integer number (1594758).

Almost surely, 2^13887411 is an apocalyptic number.

13887411 is a deficient number, since it is larger than the sum of its proper divisors (5249685).

13887411 is an equidigital number, since it uses as much as digits as its factorization.

13887411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4851 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 13887411 is about 3726.5816776236. The cubic root of 13887411 is about 240.3664021437.

The spelling of 13887411 in words is "thirteen million, eight hundred eighty-seven thousand, four hundred eleven".