12000027 has 8 divisors (see below), whose sum is σ = 17230864. Its totient is φ = 7384608.

The previous prime is 12000017. The next prime is 12000029. The reversal of 12000027 is 72000021.

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

It is not a de Polignac number, because 12000027 - 2¹⁶ = 11934491 is a prime.

It is a Duffinian number.

12000027 is a modest number, since divided by 27 gives 12 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11999976 and 12000021.

It is not an unprimeable number, because it can be changed into a prime (12000029) 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, 153808 + ... + 153885.

It is an arithmetic number, because the mean of its divisors is an integer number (2153858).

Almost surely, 2^12000027 is an apocalyptic number.

12000027 is a deficient number, since it is larger than the sum of its proper divisors (5230837).

12000027 is a wasteful number, since it uses less digits than its factorization.

12000027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307709.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 12000027 is about 3464.1055122499. The cubic root of 12000027 is about 228.9430202177.

Adding to 12000027 its reverse (72000021), we get a palindrome (84000048).

It can be divided in two parts, 120000 and 27, that multiplied together give a square (3240000 = 1800²).

The spelling of 12000027 in words is "twelve million, twenty-seven", and thus it is an aban number and an uban number.