13671886 has 16 divisors (see below), whose sum is σ = 20947536. Its totient is φ = 6690816.

The previous prime is 13671883. The next prime is 13671919. The reversal of 13671886 is 68817631.

13671886 is nontrivially palindromic in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13671881) by changing a digit.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34240 + ... + 34636.

It is an arithmetic number, because the mean of its divisors is an integer number (1309221).

Almost surely, 2^13671886 is an apocalyptic number.

13671886 is a deficient number, since it is larger than the sum of its proper divisors (7275650).

13671886 is a wasteful number, since it uses less digits than its factorization.

13671886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its digits is 48384, while the sum is 40.

The square root of 13671886 is about 3697.5513519084. The cubic root of 13671886 is about 239.1164619753.

The spelling of 13671886 in words is "thirteen million, six hundred seventy-one thousand, eight hundred eighty-six".