12456673 has 2 divisors, whose sum is σ = 12456674. Its totient is φ = 12456672.

The previous prime is 12456671. The next prime is 12456677. The reversal of 12456673 is 37665421.

It is a happy number.

12456673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8225424 + 4231249 = 2868^2 + 2057^2 .

It is a cyclic number.

It is not a de Polignac number, because 12456673 - 2¹ = 12456671 is a prime.

Together with 12456671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12456671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6228336 + 6228337.

It is an arithmetic number, because the mean of its divisors is an integer number (6228337).

Almost surely, 2^12456673 is an apocalyptic number.

It is an amenable number.

12456673 is a deficient number, since it is larger than the sum of its proper divisors (1).

12456673 is an equidigital number, since it uses as much as digits as its factorization.

12456673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 12456673 is about 3529.4012240039. The cubic root of 12456673 is about 231.8109897830.

The spelling of 12456673 in words is "twelve million, four hundred fifty-six thousand, six hundred seventy-three".