12767868 has 60 divisors (see below), whose sum is σ = 33724152. Its totient is φ = 4212000.

The previous prime is 12767863. The next prime is 12767873. The reversal of 12767868 is 86876721.

12767868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12767863) and next prime (12767873).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12767863) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50743 + ... + 50993.

Almost surely, 2^12767868 is an apocalyptic number.

12767868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12767868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16862076).

12767868 is an abundant number, since it is smaller than the sum of its proper divisors (20956284).

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

12767868 is a wasteful number, since it uses less digits than its factorization.

12767868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 413 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 12767868 is about 3573.2153587490. The cubic root of 12767868 is about 233.7255164191.

The spelling of 12767868 in words is "twelve million, seven hundred sixty-seven thousand, eight hundred sixty-eight".