12041147 has 2 divisors, whose sum is σ = 12041148. Its totient is φ = 12041146.

The previous prime is 12041143. The next prime is 12041149. The reversal of 12041147 is 74114021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12041147 - 2² = 12041143 is a prime.

Together with 12041149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12041143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020573 + 6020574.

It is an arithmetic number, because the mean of its divisors is an integer number (6020574).

Almost surely, 2^12041147 is an apocalyptic number.

12041147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12041147 is an equidigital number, since it uses as much as digits as its factorization.

12041147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 12041147 is about 3470.0355905956. The cubic root of 12041147 is about 229.2042253078.

Adding to 12041147 its reverse (74114021), we get a palindrome (86155168).

The spelling of 12041147 in words is "twelve million, forty-one thousand, one hundred forty-seven".