12128295 has 8 divisors (see below), whose sum is σ = 19405296. Its totient is φ = 6468416.

The previous prime is 12128269. The next prime is 12128329. The reversal of 12128295 is 59282121.

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

It is a cyclic number.

It is not a de Polignac number, because 12128295 - 2⁶ = 12128231 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404262 + ... + 404291.

It is an arithmetic number, because the mean of its divisors is an integer number (2425662).

Almost surely, 2^12128295 is an apocalyptic number.

12128295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12128295 is a deficient number, since it is larger than the sum of its proper divisors (7277001).

12128295 is an equidigital number, since it uses as much as digits as its factorization.

12128295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808561.

The product of its digits is 2880, while the sum is 30.

The square root of 12128295 is about 3482.5701715831. The cubic root of 12128295 is about 229.7558530890.

The spelling of 12128295 in words is "twelve million, one hundred twenty-eight thousand, two hundred ninety-five".