13871132 has 24 divisors (see below), whose sum is σ = 26584320. Its totient is φ = 6280560.

The previous prime is 13871129. The next prime is 13871141. The reversal of 13871132 is 23117831.

It is a super-2 number, since 2×13871132² = 384816605922848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15719 + ... + 16577.

It is an arithmetic number, because the mean of its divisors is an integer number (1107680).

Almost surely, 2^13871132 is an apocalyptic number.

It is an amenable number.

13871132 is a deficient number, since it is larger than the sum of its proper divisors (12713188).

13871132 is a wasteful number, since it uses less digits than its factorization.

13871132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1239 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 13871132 is about 3724.3968639231. The cubic root of 13871132 is about 240.2724452359.

Adding to 13871132 its reverse (23117831), we get a palindrome (36988963).

The spelling of 13871132 in words is "thirteen million, eight hundred seventy-one thousand, one hundred thirty-two".