13947132 has 12 divisors (see below), whose sum is σ = 32543336. Its totient is φ = 4649040.

The previous prime is 13947119. The next prime is 13947139. The reversal of 13947132 is 23174931.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13947132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13947139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581119 + ... + 581142.

Almost surely, 2^13947132 is an apocalyptic number.

13947132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13947132 is an abundant number, since it is smaller than the sum of its proper divisors (18596204).

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

13947132 is a wasteful number, since it uses less digits than its factorization.

13947132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162268 (or 1162266 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 13947132 is about 3734.5859208217. The cubic root of 13947132 is about 240.7104642050.

The spelling of 13947132 in words is "thirteen million, nine hundred forty-seven thousand, one hundred thirty-two".