12127328 has 24 divisors (see below), whose sum is σ = 24127992. Its totient is φ = 5999616.

The previous prime is 12127321. The next prime is 12127331. The reversal of 12127328 is 82372121.

It is a junction number, because it is equal to n+sod(n) for n = 12127297 and 12127306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12127321) 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, 1151 + ... + 5057.

It is an arithmetic number, because the mean of its divisors is an integer number (1005333).

Almost surely, 2^12127328 is an apocalyptic number.

It is an amenable number.

12127328 is a deficient number, since it is larger than the sum of its proper divisors (12000664).

12127328 is an equidigital number, since it uses as much as digits as its factorization.

12127328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014 (or 4006 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 12127328 is about 3482.4313345707. The cubic root of 12127328 is about 229.7497467123.

Adding to 12127328 its reverse (82372121), we get a palindrome (94499449).

The spelling of 12127328 in words is "twelve million, one hundred twenty-seven thousand, three hundred twenty-eight".