13871682 has 64 divisors (see below), whose sum is σ = 34081920. Its totient is φ = 4181760.

The previous prime is 13871623. The next prime is 13871687. The reversal of 13871682 is 28617831.

It is not an unprimeable number, because it can be changed into a prime (13871687) 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 31 ways as a sum of consecutive naturals, for example, 71778 + ... + 71970.

It is an arithmetic number, because the mean of its divisors is an integer number (532530).

Almost surely, 2^13871682 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13871682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17040960).

13871682 is an abundant number, since it is smaller than the sum of its proper divisors (20210238).

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

13871682 is a wasteful number, since it uses less digits than its factorization.

13871682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 209 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 13871682 is about 3724.4707006500. The cubic root of 13871682 is about 240.2756208503.

The spelling of 13871682 in words is "thirteen million, eight hundred seventy-one thousand, six hundred eighty-two".