12004127 has 4 divisors (see below), whose sum is σ = 12076176. Its totient is φ = 11932080.

The previous prime is 12004117. The next prime is 12004163. The reversal of 12004127 is 72140021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72140021 = 197 ⋅366193.

It is a cyclic number.

It is not a de Polignac number, because 12004127 - 2¹⁴ = 11987743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12004117) 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, 35774 + ... + 36107.

It is an arithmetic number, because the mean of its divisors is an integer number (3019044).

Almost surely, 2^12004127 is an apocalyptic number.

12004127 is a deficient number, since it is larger than the sum of its proper divisors (72049).

12004127 is an equidigital number, since it uses as much as digits as its factorization.

12004127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72048.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 12004127 is about 3464.6972450706. The cubic root of 12004127 is about 228.9690912562.

Adding to 12004127 its reverse (72140021), we get a palindrome (84144148).

The spelling of 12004127 in words is "twelve million, four thousand, one hundred twenty-seven".