12012449 has 2 divisors, whose sum is σ = 12012450. Its totient is φ = 12012448.

The previous prime is 12012443. The next prime is 12012461. The reversal of 12012449 is 94421021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6927424 + 5085025 = 2632^2 + 2255^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012449 - 2⁴ = 12012433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12012443) 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, 6006224 + 6006225.

It is an arithmetic number, because the mean of its divisors is an integer number (6006225).

Almost surely, 2^12012449 is an apocalyptic number.

It is an amenable number.

12012449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012449 is an equidigital number, since it uses as much as digits as its factorization.

12012449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12012449 is about 3465.8980077319. The cubic root of 12012449 is about 229.0219908580.

The spelling of 12012449 in words is "twelve million, twelve thousand, four hundred forty-nine".