12040332 has 12 divisors (see below), whose sum is σ = 28094136. Its totient is φ = 4013440.

The previous prime is 12040331. The next prime is 12040337. The reversal of 12040332 is 23304021.

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

It is not an unprimeable number, because it can be changed into a prime (12040331) 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, 501669 + ... + 501692.

It is an arithmetic number, because the mean of its divisors is an integer number (2341178).

Almost surely, 2^12040332 is an apocalyptic number.

12040332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12040332 is an abundant number, since it is smaller than the sum of its proper divisors (16053804).

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

12040332 is a wasteful number, since it uses less digits than its factorization.

12040332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003368 (or 1003366 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12040332 is about 3469.9181546544. The cubic root of 12040332 is about 229.1990539938.

Adding to 12040332 its reverse (23304021), we get a palindrome (35344353).

The spelling of 12040332 in words is "twelve million, forty thousand, three hundred thirty-two".