12673651 has 2 divisors, whose sum is σ = 12673652. Its totient is φ = 12673650.

The previous prime is 12673649. The next prime is 12673657. The reversal of 12673651 is 15637621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12673651 - 2¹ = 12673649 is a prime.

Together with 12673649, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12673657) 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, 6336825 + 6336826.

It is an arithmetic number, because the mean of its divisors is an integer number (6336826).

Almost surely, 2^12673651 is an apocalyptic number.

12673651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12673651 is an equidigital number, since it uses as much as digits as its factorization.

12673651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 31.

The square root of 12673651 is about 3560.0071629141. The cubic root of 12673651 is about 233.1491919062.

The spelling of 12673651 in words is "twelve million, six hundred seventy-three thousand, six hundred fifty-one".