12040132 has 24 divisors (see below), whose sum is σ = 23679936. Its totient is φ = 5314848.

The previous prime is 12040123. The next prime is 12040139. The reversal of 12040132 is 23104021.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (12040139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3838 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (986664).

Almost surely, 2^12040132 is an apocalyptic number.

It is an amenable number.

12040132 is a deficient number, since it is larger than the sum of its proper divisors (11639804).

12040132 is a wasteful number, since it uses less digits than its factorization.

12040132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10107 (or 10105 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12040132 is about 3469.8893354111. The cubic root of 12040132 is about 229.1977849240.

Adding to 12040132 its reverse (23104021), we get a palindrome (35144153).

The spelling of 12040132 in words is "twelve million, forty thousand, one hundred thirty-two".