12009127 has 8 divisors (see below), whose sum is σ = 13282976. Its totient is φ = 10785312.

The previous prime is 12009119. The next prime is 12009133. The reversal of 12009127 is 72190021.

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 12009127 - 2³ = 12009119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12009098 and 12009107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12009167) 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, 12003 + ... + 12964.

It is an arithmetic number, because the mean of its divisors is an integer number (1660372).

Almost surely, 2^12009127 is an apocalyptic number.

12009127 is a deficient number, since it is larger than the sum of its proper divisors (1273849).

12009127 is a wasteful number, since it uses less digits than its factorization.

12009127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25017.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 12009127 is about 3465.4187337175. The cubic root of 12009127 is about 229.0008771729. Note that the first 3 decimals are identical.

Adding to 12009127 its reverse (72190021), we get a palindrome (84199148).

The spelling of 12009127 in words is "twelve million, nine thousand, one hundred twenty-seven".