12031108 has 6 divisors (see below), whose sum is σ = 21054446. Its totient is φ = 6015552.

The previous prime is 12031079. The next prime is 12031111. The reversal of 12031108 is 80113021.

It can be written as a sum of positive squares in only one way, i.e., 9622404 + 2408704 = 3102^2 + 1552^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12031091 and 12031100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1503885 + ... + 1503892.

Almost surely, 2^12031108 is an apocalyptic number.

It is an amenable number.

12031108 is a deficient number, since it is larger than the sum of its proper divisors (9023338).

12031108 is a wasteful number, since it uses less digits than its factorization.

12031108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007781 (or 3007779 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 12031108 is about 3468.5887620184. The cubic root of 12031108 is about 229.1405098668.

Adding to 12031108 its reverse (80113021), we get a palindrome (92144129).

The spelling of 12031108 in words is "twelve million, thirty-one thousand, one hundred eight".