12642068 has 24 divisors (see below), whose sum is σ = 23402400. Its totient is φ = 5959008.

The previous prime is 12642061. The next prime is 12642083. The reversal of 12642068 is 86024621.

It is a self number, because there is not a number n which added to its sum of digits gives 12642068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12642061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29963 + ... + 30381.

It is an arithmetic number, because the mean of its divisors is an integer number (975100).

Almost surely, 2^12642068 is an apocalyptic number.

It is an amenable number.

12642068 is a deficient number, since it is larger than the sum of its proper divisors (10760332).

12642068 is a wasteful number, since it uses less digits than its factorization.

12642068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 837 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 12642068 is about 3555.5685902539. The cubic root of 12642068 is about 232.9553599389.

Adding to 12642068 its reverse (86024621), we get a palindrome (98666689).

The spelling of 12642068 in words is "twelve million, six hundred forty-two thousand, sixty-eight".