12306461 has 2 divisors, whose sum is σ = 12306462. Its totient is φ = 12306460.

The previous prime is 12306457. The next prime is 12306467. The reversal of 12306461 is 16460321.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9765625 + 2540836 = 3125^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 12306461 - 2² = 12306457 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12306467) 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, 6153230 + 6153231.

It is an arithmetic number, because the mean of its divisors is an integer number (6153231).

Almost surely, 2^12306461 is an apocalyptic number.

It is an amenable number.

12306461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12306461 is an equidigital number, since it uses as much as digits as its factorization.

12306461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 12306461 is about 3508.0565844923. The cubic root of 12306461 is about 230.8754349246.

Adding to 12306461 its reverse (16460321), we get a palindrome (28766782).

The spelling of 12306461 in words is "twelve million, three hundred six thousand, four hundred sixty-one".