13884871 has 36 divisors (see below), whose sum is σ = 19081776. Its totient is φ = 9884160.

The previous prime is 13884853. The next prime is 13884889. The reversal of 13884871 is 17848831.

It is an interprime number because it is at equal distance from previous prime (13884853) and next prime (13884889).

It is a de Polignac number, because none of the positive numbers 2^k-13884871 is a prime.

Its product of digits (43008) is a multiple of the sum of its prime divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13884841) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 143095 + ... + 143191.

Almost surely, 2^13884871 is an apocalyptic number.

13884871 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13884871 is a deficient number, since it is larger than the sum of its proper divisors (5196905).

13884871 is a wasteful number, since it uses less digits than its factorization.

13884871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 128 counting only the distinct ones).

The product of its digits is 43008, while the sum is 40.

The square root of 13884871 is about 3726.2408671475. The cubic root of 13884871 is about 240.3517469550.

The spelling of 13884871 in words is "thirteen million, eight hundred eighty-four thousand, eight hundred seventy-one".