12681368 has 16 divisors (see below), whose sum is σ = 27174480. Its totient is φ = 5434848.

The previous prime is 12681367. The next prime is 12681373. The reversal of 12681368 is 86318621.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12681367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113171 + ... + 113282.

It is an arithmetic number, because the mean of its divisors is an integer number (1698405).

Almost surely, 2^12681368 is an apocalyptic number.

It is an amenable number.

12681368 is an abundant number, since it is smaller than the sum of its proper divisors (14493112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12681368 is a wasteful number, since it uses less digits than its factorization.

12681368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226466 (or 226462 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 12681368 is about 3561.0908441094. The cubic root of 12681368 is about 233.1965039043.

Adding to 12681368 its reverse (86318621), we get a palindrome (98999989).

The spelling of 12681368 in words is "twelve million, six hundred eighty-one thousand, three hundred sixty-eight".