12078108 has 108 divisors (see below), whose sum is σ = 36599472. Its totient is φ = 3346560.

The previous prime is 12078103. The next prime is 12078139. The reversal of 12078108 is 80187021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12078103) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72241 + ... + 72407.

It is an arithmetic number, because the mean of its divisors is an integer number (338884).

Almost surely, 2^12078108 is an apocalyptic number.

12078108 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 12078108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18299736).

12078108 is an abundant number, since it is smaller than the sum of its proper divisors (24521364).

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

12078108 is a wasteful number, since it uses less digits than its factorization.

12078108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 12078108 is about 3475.3572478236. The cubic root of 12078108 is about 229.4385043202.

The spelling of 12078108 in words is "twelve million, seventy-eight thousand, one hundred eight".