12367878 has 8 divisors (see below), whose sum is σ = 24735768. Its totient is φ = 4122624.

The previous prime is 12367877. The next prime is 12367889. The reversal of 12367878 is 87876321.

It is a sphenic number, since it is the product of 3 distinct primes.

12367878 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12367871) 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 3 ways as a sum of consecutive naturals, for example, 1030651 + ... + 1030662.

It is an arithmetic number, because the mean of its divisors is an integer number (3091971).

Almost surely, 2^12367878 is an apocalyptic number.

12367878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12367878 is a wasteful number, since it uses less digits than its factorization.

12367878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061318.

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

The square root of 12367878 is about 3516.7993971792. The cubic root of 12367878 is about 231.2588691023.

The spelling of 12367878 in words is "twelve million, three hundred sixty-seven thousand, eight hundred seventy-eight".