13865132 has 48 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 6150144.

The previous prime is 13865101. The next prime is 13865147. The reversal of 13865132 is 23156831.

It is a Harshad number since it is a multiple of its sum of digits (29).

Its product of digits (4320) is a multiple of the sum of its prime divisors (216).

It is a junction number, because it is equal to n+sod(n) for n = 13865095 and 13865104.

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 15 ways as a sum of consecutive naturals, for example, 155744 + ... + 155832.

It is an arithmetic number, because the mean of its divisors is an integer number (567000).

Almost surely, 2^13865132 is an apocalyptic number.

It is an amenable number.

13865132 is a deficient number, since it is larger than the sum of its proper divisors (13350868).

13865132 is a wasteful number, since it uses less digits than its factorization.

13865132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 216 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 13865132 is about 3723.5912772484. The cubic root of 13865132 is about 240.2377967159.

The spelling of 13865132 in words is "thirteen million, eight hundred sixty-five thousand, one hundred thirty-two".