12578168 has 8 divisors (see below), whose sum is σ = 23584080. Its totient is φ = 6289080.

The previous prime is 12578161. The next prime is 12578173. The reversal of 12578168 is 86187521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 786128 + ... + 786143.

It is an arithmetic number, because the mean of its divisors is an integer number (2948010).

Almost surely, 2^12578168 is an apocalyptic number.

It is an amenable number.

12578168 is a deficient number, since it is larger than the sum of its proper divisors (11005912).

12578168 is a wasteful number, since it uses less digits than its factorization.

12578168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572277 (or 1572273 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 12578168 is about 3546.5713019760. The cubic root of 12578168 is about 232.5622017256.

The spelling of 12578168 in words is "twelve million, five hundred seventy-eight thousand, one hundred sixty-eight".