12070856 has 64 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 5014464.

The previous prime is 12070853. The next prime is 12070897. The reversal of 12070856 is 65807021.

12070856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12070853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145391 + ... + 145473.

It is an arithmetic number, because the mean of its divisors is an integer number (425250).

Almost surely, 2^12070856 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 12070856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608000).

12070856 is an abundant number, since it is smaller than the sum of its proper divisors (15145144).

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

12070856 is an equidigital number, since it uses as much as digits as its factorization.

12070856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 12070856 is about 3474.3137451877. The cubic root of 12070856 is about 229.3925749093.

Adding to 12070856 its reverse (65807021), we get a palindrome (77877877).

The spelling of 12070856 in words is "twelve million, seventy thousand, eight hundred fifty-six".