12012461 has 2 divisors, whose sum is σ = 12012462. Its totient is φ = 12012460.

The previous prime is 12012449. The next prime is 12012479. The reversal of 12012461 is 16421021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6791236 + 5221225 = 2606^2 + 2285^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012461 - 2¹⁸ = 11750317 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 (12012491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006230 + 6006231.

It is an arithmetic number, because the mean of its divisors is an integer number (6006231).

Almost surely, 2^12012461 is an apocalyptic number.

It is an amenable number.

12012461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012461 is an equidigital number, since it uses as much as digits as its factorization.

12012461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12012461 is about 3465.8997388846. The cubic root of 12012461 is about 229.0220671196.

Adding to 12012461 its reverse (16421021), we get a palindrome (28433482).

The spelling of 12012461 in words is "twelve million, twelve thousand, four hundred sixty-one".