13411986 has 56 divisors (see below), whose sum is σ = 32941680. Its totient is φ = 3630312.

The previous prime is 13411969. The next prime is 13411987. The reversal of 13411986 is 68911431.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (13411987) 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 in 27 ways as a sum of consecutive naturals, for example, 705885 + ... + 705903.

Almost surely, 2^13411986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13411986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16470840).

13411986 is an abundant number, since it is smaller than the sum of its proper divisors (19529694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13411986 is an frugal number, since it uses more digits than its factorization.

13411986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 31 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 13411986 is about 3662.2378404467. The cubic root of 13411986 is about 237.5915717062.

The spelling of 13411986 in words is "thirteen million, four hundred eleven thousand, nine hundred eighty-six".