12128146 has 8 divisors (see below), whose sum is σ = 18226224. Its totient is φ = 6052740.

The previous prime is 12128141. The next prime is 12128173. The reversal of 12128146 is 64182121.

12128146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12128146.

It is not an unprimeable number, because it can be changed into a prime (12128141) 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, 4260 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (2278278).

Almost surely, 2^12128146 is an apocalyptic number.

12128146 is a deficient number, since it is larger than the sum of its proper divisors (6098078).

12128146 is a wasteful number, since it uses less digits than its factorization.

12128146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336.

The product of its digits is 768, while the sum is 25.

The square root of 12128146 is about 3482.5487792707. The cubic root of 12128146 is about 229.7549122104.

The spelling of 12128146 in words is "twelve million, one hundred twenty-eight thousand, one hundred forty-six".