12031804 has 12 divisors (see below), whose sum is σ = 21178584. Its totient is φ = 5980784.

The previous prime is 12031777. The next prime is 12031837. The reversal of 12031804 is 40813021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8002 + ... + 9385.

It is an arithmetic number, because the mean of its divisors is an integer number (1764882).

Almost surely, 2^12031804 is an apocalyptic number.

It is an amenable number.

12031804 is a deficient number, since it is larger than the sum of its proper divisors (9146780).

12031804 is a wasteful number, since it uses less digits than its factorization.

12031804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564 (or 17562 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12031804 is about 3468.6890895553. The cubic root of 12031804 is about 229.1449283769.

Adding to 12031804 its reverse (40813021), we get a palindrome (52844825).

The spelling of 12031804 in words is "twelve million, thirty-one thousand, eight hundred four".