12371668 has 12 divisors (see below), whose sum is σ = 22178772. Its totient is φ = 6034880.

The previous prime is 12371663. The next prime is 12371683. The reversal of 12371668 is 86617321.

It can be written as a sum of positive squares in 2 ways, for example, as 6697744 + 5673924 = 2588^2 + 2382^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12371663) 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, 37555 + ... + 37882.

It is an arithmetic number, because the mean of its divisors is an integer number (1848231).

Almost surely, 2^12371668 is an apocalyptic number.

It is an amenable number.

12371668 is a deficient number, since it is larger than the sum of its proper divisors (9807104).

12371668 is a wasteful number, since it uses less digits than its factorization.

12371668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75482 (or 75480 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 12371668 is about 3517.3381981265. The cubic root of 12371668 is about 231.2824889342.

Adding to 12371668 its reverse (86617321), we get a palindrome (98988989).

The spelling of 12371668 in words is "twelve million, three hundred seventy-one thousand, six hundred sixty-eight".