12444678 has 20 divisors (see below), whose sum is σ = 27885660. Its totient is φ = 4148172.

The previous prime is 12444661. The next prime is 12444701. The reversal of 12444678 is 87644421.

12444678 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38248 + ... + 38571.

It is an arithmetic number, because the mean of its divisors is an integer number (1394283).

Almost surely, 2^12444678 is an apocalyptic number.

12444678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12444678 is an abundant number, since it is smaller than the sum of its proper divisors (15440982).

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

12444678 is an equidigital number, since it uses as much as digits as its factorization.

12444678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76833 (or 76824 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 12444678 is about 3527.7015179859. The cubic root of 12444678 is about 231.7365593738.

The spelling of 12444678 in words is "twelve million, four hundred forty-four thousand, six hundred seventy-eight".