12003671 has 2 divisors, whose sum is σ = 12003672. Its totient is φ = 12003670.

The previous prime is 12003647. The next prime is 12003679. The reversal of 12003671 is 17630021.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17630021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12003671 - 2¹⁰ = 12002647 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 (12003679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6001835 + 6001836.

It is an arithmetic number, because the mean of its divisors is an integer number (6001836).

Almost surely, 2^12003671 is an apocalyptic number.

12003671 is a deficient number, since it is larger than the sum of its proper divisors (1).

12003671 is an equidigital number, since it uses as much as digits as its factorization.

12003671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 12003671 is about 3464.6314378300. The cubic root of 12003671 is about 228.9661919415.

Adding to 12003671 its reverse (17630021), we get a palindrome (29633692).

The spelling of 12003671 in words is "twelve million, three thousand, six hundred seventy-one".