13587982 has 16 divisors (see below), whose sum is σ = 21491712. Its totient is φ = 6433560.

The previous prime is 13587971. The next prime is 13587989. The reversal of 13587982 is 28978531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13587989) 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, 583 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (1343232).

Almost surely, 2^13587982 is an apocalyptic number.

13587982 is a deficient number, since it is larger than the sum of its proper divisors (7903730).

13587982 is a wasteful number, since it uses less digits than its factorization.

13587982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743.

The product of its digits is 120960, while the sum is 43.

The square root of 13587982 is about 3686.1880038869. The cubic root of 13587982 is about 238.6263074638.

The spelling of 13587982 in words is "thirteen million, five hundred eighty-seven thousand, nine hundred eighty-two".