12078208 has 32 divisors (see below), whose sum is σ = 24284160. Its totient is φ = 5983488.

The previous prime is 12078203. The next prime is 12078217. The reversal of 12078208 is 80287021.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (12078203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15885 + ... + 16627.

It is an arithmetic number, because the mean of its divisors is an integer number (758880).

Almost surely, 2^12078208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12078208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12142080).

12078208 is an abundant number, since it is smaller than the sum of its proper divisors (12205952).

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

12078208 is an equidigital number, since it uses as much as digits as its factorization.

12078208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 12078208 is about 3475.3716348040. The cubic root of 12078208 is about 229.4391375261.

The spelling of 12078208 in words is "twelve million, seventy-eight thousand, two hundred eight".