13871712 has 24 divisors (see below), whose sum is σ = 36413496. Its totient is φ = 4623872.

The previous prime is 13871699. The next prime is 13871713. The reversal of 13871712 is 21717831.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13871712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13871713) 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 3 ways as a sum of consecutive naturals, for example, 72153 + ... + 72344.

It is an arithmetic number, because the mean of its divisors is an integer number (1517229).

Almost surely, 2^13871712 is an apocalyptic number.

13871712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13871712 is an abundant number, since it is smaller than the sum of its proper divisors (22541784).

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

13871712 is a wasteful number, since it uses less digits than its factorization.

13871712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144510 (or 144502 counting only the distinct ones).

The product of its digits is 2352, while the sum is 30.

The square root of 13871712 is about 3724.4747280657. The cubic root of 13871712 is about 240.2757940632.

The spelling of 13871712 in words is "thirteen million, eight hundred seventy-one thousand, seven hundred twelve".