12040271 has 2 divisors, whose sum is σ = 12040272. Its totient is φ = 12040270.

The previous prime is 12040261. The next prime is 12040277. The reversal of 12040271 is 17204021.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12040271 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 (12040277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020135 + 6020136.

It is an arithmetic number, because the mean of its divisors is an integer number (6020136).

Almost surely, 2^12040271 is an apocalyptic number.

12040271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12040271 is an equidigital number, since it uses as much as digits as its factorization.

12040271 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12040271 is about 3469.9093648106. The cubic root of 12040271 is about 229.1986669290.

Adding to 12040271 its reverse (17204021), we get a palindrome (29244292).

The spelling of 12040271 in words is "twelve million, forty thousand, two hundred seventy-one".