13871064 has 48 divisors (see below), whose sum is σ = 36621720. Its totient is φ = 4377600.

The previous prime is 13871051. The next prime is 13871071. The reversal of 13871064 is 46017831.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7864 + ... + 9464.

Almost surely, 2^13871064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13871064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18310860).

13871064 is an abundant number, since it is smaller than the sum of its proper divisors (22750656).

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

13871064 is a wasteful number, since it uses less digits than its factorization.

13871064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 13871064 is about 3724.3877349170. The cubic root of 13871064 is about 240.2720526087.

Adding to 13871064 its reverse (46017831), we get a palindrome (59888895).

The spelling of 13871064 in words is "thirteen million, eight hundred seventy-one thousand, sixty-four".