12310073 has 2 divisors, whose sum is σ = 12310074. Its totient is φ = 12310072.

The previous prime is 12310033. The next prime is 12310079. The reversal of 12310073 is 37001321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6801664 + 5508409 = 2608^2 + 2347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12310073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12310079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155036 + 6155037.

It is an arithmetic number, because the mean of its divisors is an integer number (6155037).

Almost surely, 2^12310073 is an apocalyptic number.

It is an amenable number.

12310073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310073 is an equidigital number, since it uses as much as digits as its factorization.

12310073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 12310073 is about 3508.5713616799. The cubic root of 12310073 is about 230.8980203642.

Adding to 12310073 its reverse (37001321), we get a palindrome (49311394).

The spelling of 12310073 in words is "twelve million, three hundred ten thousand, seventy-three".