12031346 has 24 divisors (see below), whose sum is σ = 19566144. Its totient is φ = 5537840.

The previous prime is 12031343. The next prime is 12031373. The reversal of 12031346 is 64313021.

It is not an unprimeable number, because it can be changed into a prime (12031343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38531 + ... + 38841.

It is an arithmetic number, because the mean of its divisors is an integer number (815256).

Almost surely, 2^12031346 is an apocalyptic number.

12031346 is a deficient number, since it is larger than the sum of its proper divisors (7534798).

12031346 is a wasteful number, since it uses less digits than its factorization.

12031346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12031346 is about 3468.6230697497. The cubic root of 12031346 is about 229.1420208133.

Adding to 12031346 its reverse (64313021), we get a palindrome (76344367).

The spelling of 12031346 in words is "twelve million, thirty-one thousand, three hundred forty-six".