12027047 has 4 divisors (see below), whose sum is σ = 12088296. Its totient is φ = 11965800.

The previous prime is 12027017. The next prime is 12027049. The reversal of 12027047 is 74072021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74072021 = 7691 ⋅9631.

It is a cyclic number.

It is not a de Polignac number, because 12027047 - 2⁶ = 12026983 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 (12027049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30329 + ... + 30722.

It is an arithmetic number, because the mean of its divisors is an integer number (3022074).

Almost surely, 2^12027047 is an apocalyptic number.

12027047 is a deficient number, since it is larger than the sum of its proper divisors (61249).

12027047 is an equidigital number, since it uses as much as digits as its factorization.

12027047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61248.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 12027047 is about 3468.0033160307. The cubic root of 12027047 is about 229.1147254771.

Subtracting from 12027047 its sum of digits (23), we obtain a square (12027024 = 3468²).

Adding to 12027047 its reverse (74072021), we get a palindrome (86099068).

The spelling of 12027047 in words is "twelve million, twenty-seven thousand, forty-seven".