13687982 has 16 divisors (see below), whose sum is σ = 25598592. Its totient is φ = 5332920.

The previous prime is 13687969. The next prime is 13687987. The reversal of 13687982 is 28978631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13687987) 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, 44288 + ... + 44595.

It is an arithmetic number, because the mean of its divisors is an integer number (1599912).

Almost surely, 2^13687982 is an apocalyptic number.

13687982 is a deficient number, since it is larger than the sum of its proper divisors (11910610).

13687982 is a wasteful number, since it uses less digits than its factorization.

13687982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88903.

The product of its digits is 145152, while the sum is 44.

The square root of 13687982 is about 3699.7272872470. The cubic root of 13687982 is about 239.2102629609.

The spelling of 13687982 in words is "thirteen million, six hundred eighty-seven thousand, nine hundred eighty-two".