12031148 has 6 divisors (see below), whose sum is σ = 21054516. Its totient is φ = 6015572.

The previous prime is 12031141. The next prime is 12031153. The reversal of 12031148 is 84113021.

It is not an unprimeable number, because it can be changed into a prime (12031141) 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 as a sum of consecutive naturals, namely, 1503890 + ... + 1503897.

It is an arithmetic number, because the mean of its divisors is an integer number (3509086).

Almost surely, 2^12031148 is an apocalyptic number.

It is an amenable number.

12031148 is a deficient number, since it is larger than the sum of its proper divisors (9023368).

12031148 is a wasteful number, since it uses less digits than its factorization.

12031148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007791 (or 3007789 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12031148 is about 3468.5945280473. The cubic root of 12031148 is about 229.1407638087.

Adding to 12031148 its reverse (84113021), we get a palindrome (96144169).

The spelling of 12031148 in words is "twelve million, thirty-one thousand, one hundred forty-eight".