12004049 has 2 divisors, whose sum is σ = 12004050. Its totient is φ = 12004048.

The previous prime is 12004043. The next prime is 12004051. The reversal of 12004049 is 94040021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 3841600 = 2857^2 + 1960^2 .

It is an emirp because it is prime and its reverse (94040021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12004049 - 2⁴ = 12004033 is a prime.

Together with 12004051, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12004049.

It is not a weakly prime, because it can be changed into another prime (12004043) 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 as a sum of consecutive naturals, namely, 6002024 + 6002025.

It is an arithmetic number, because the mean of its divisors is an integer number (6002025).

Almost surely, 2^12004049 is an apocalyptic number.

It is an amenable number.

12004049 is a deficient number, since it is larger than the sum of its proper divisors (1).

12004049 is an equidigital number, since it uses as much as digits as its factorization.

12004049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12004049 is about 3464.6859886576. The cubic root of 12004049 is about 228.9685953260.

The spelling of 12004049 in words is "twelve million, four thousand, forty-nine".