12031336 has 16 divisors (see below), whose sum is σ = 22760100. Its totient is φ = 5961984.

The previous prime is 12031319. The next prime is 12031337. The reversal of 12031336 is 63313021.

It can be written as a sum of positive squares in 2 ways, for example, as 7322436 + 4708900 = 2706^2 + 2170^2 .

It is not an unprimeable number, because it can be changed into a prime (12031337) 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, 5751 + ... + 7558.

Almost surely, 2^12031336 is an apocalyptic number.

It is an amenable number.

12031336 is a deficient number, since it is larger than the sum of its proper divisors (10728764).

12031336 is a wasteful number, since it uses less digits than its factorization.

12031336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13428 (or 13424 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 12031336 is about 3468.6216282552. The cubic root of 12031336 is about 229.1419573285.

Adding to 12031336 its reverse (63313021), we get a palindrome (75344357).

The spelling of 12031336 in words is "twelve million, thirty-one thousand, three hundred thirty-six".