12128070 has 16 divisors (see below), whose sum is σ = 29107440. Its totient is φ = 3234144.

The previous prime is 12128059. The next prime is 12128071. The reversal of 12128070 is 7082121.

12128070 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (12128071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202105 + ... + 202164.

It is an arithmetic number, because the mean of its divisors is an integer number (1819215).

Almost surely, 2^12128070 is an apocalyptic number.

12128070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12128070 is an abundant number, since it is smaller than the sum of its proper divisors (16979370).

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

12128070 is a wasteful number, since it uses less digits than its factorization.

12128070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404279.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 12128070 is about 3482.5378677051. The cubic root of 12128070 is about 229.7544322961.

The spelling of 12128070 in words is "twelve million, one hundred twenty-eight thousand, seventy".