12045071 has 2 divisors, whose sum is σ = 12045072. Its totient is φ = 12045070.

The previous prime is 12045067. The next prime is 12045083. The reversal of 12045071 is 17054021.

It is a weak prime.

It is an emirp because it is prime and its reverse (17054021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12045071 - 2² = 12045067 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12045001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022535 + 6022536.

It is an arithmetic number, because the mean of its divisors is an integer number (6022536).

Almost surely, 2^12045071 is an apocalyptic number.

12045071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045071 is an equidigital number, since it uses as much as digits as its factorization.

12045071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12045071 is about 3470.6009566068. The cubic root of 12045071 is about 229.2291204915.

Adding to 12045071 its reverse (17054021), we get a palindrome (29099092).

The spelling of 12045071 in words is "twelve million, forty-five thousand, seventy-one".