12673709 has 2 divisors, whose sum is σ = 12673710. Its totient is φ = 12673708.

The previous prime is 12673697. The next prime is 12673751. The reversal of 12673709 is 90737621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10562500 + 2111209 = 3250^2 + 1453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12673709 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 (12673769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6336854 + 6336855.

It is an arithmetic number, because the mean of its divisors is an integer number (6336855).

Almost surely, 2^12673709 is an apocalyptic number.

It is an amenable number.

12673709 is a deficient number, since it is larger than the sum of its proper divisors (1).

12673709 is an equidigital number, since it uses as much as digits as its factorization.

12673709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 12673709 is about 3560.0153089558. The cubic root of 12673709 is about 233.1495475688.

The spelling of 12673709 in words is "twelve million, six hundred seventy-three thousand, seven hundred nine".