12390673 has 2 divisors, whose sum is σ = 12390674. Its totient is φ = 12390672.

The previous prime is 12390667. The next prime is 12390701. The reversal of 12390673 is 37609321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11209104 + 1181569 = 3348^2 + 1087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12390673 is a prime.

It is not a weakly prime, because it can be changed into another prime (12390613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6195336 + 6195337.

It is an arithmetic number, because the mean of its divisors is an integer number (6195337).

Almost surely, 2^12390673 is an apocalyptic number.

It is an amenable number.

12390673 is a deficient number, since it is larger than the sum of its proper divisors (1).

12390673 is an equidigital number, since it uses as much as digits as its factorization.

12390673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 12390673 is about 3520.0387781955. The cubic root of 12390673 is about 231.4008581755.

Adding to 12390673 its reverse (37609321), we get a palindrome (49999994).

The spelling of 12390673 in words is "twelve million, three hundred ninety thousand, six hundred seventy-three".