12031004 has 12 divisors (see below), whose sum is σ = 21079800. Its totient is φ = 6008208.

The previous prime is 12031003. The next prime is 12031039. The reversal of 12031004 is 40013021.

It is a happy number.

12031004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3842 + ... + 6230.

It is an arithmetic number, because the mean of its divisors is an integer number (1756650).

Almost surely, 2^12031004 is an apocalyptic number.

It is an amenable number.

12031004 is a deficient number, since it is larger than the sum of its proper divisors (9048796).

12031004 is a wasteful number, since it uses less digits than its factorization.

12031004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3652 (or 3650 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12031004 is about 3468.5737702981. The cubic root of 12031004 is about 229.1398496150.

Adding to 12031004 its reverse (40013021), we get a palindrome (52044025).

The spelling of 12031004 in words is "twelve million, thirty-one thousand, four".