12378768 has 40 divisors (see below), whose sum is σ = 32105088. Its totient is φ = 4109952.

The previous prime is 12378767. The next prime is 12378781. The reversal of 12378768 is 86787321.

It is not an unprimeable number, because it can be changed into a prime (12378763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21946 + ... + 22502.

Almost surely, 2^12378768 is an apocalyptic number.

It is an amenable number.

12378768 is an abundant number, since it is smaller than the sum of its proper divisors (19726320).

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

12378768 is a wasteful number, since it uses less digits than its factorization.

12378768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1025 counting only the distinct ones).

The product of its digits is 112896, while the sum is 42.

The square root of 12378768 is about 3518.3473393058. The cubic root of 12378768 is about 231.3267241886.

The spelling of 12378768 in words is "twelve million, three hundred seventy-eight thousand, seven hundred sixty-eight".