12999673 has 2 divisors, whose sum is σ = 12999674. Its totient is φ = 12999672.

The previous prime is 12999653. The next prime is 12999677. The reversal of 12999673 is 37699921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12694969 + 304704 = 3563^2 + 552^2 .

It is a cyclic number.

It is not a de Polignac number, because 12999673 - 2⁵ = 12999641 is a prime.

It is not a weakly prime, because it can be changed into another prime (12999677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6499836 + 6499837.

It is an arithmetic number, because the mean of its divisors is an integer number (6499837).

Almost surely, 2^12999673 is an apocalyptic number.

It is an amenable number.

12999673 is a deficient number, since it is larger than the sum of its proper divisors (1).

12999673 is an equidigital number, since it uses as much as digits as its factorization.

12999673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 46.

The square root of 12999673 is about 3605.5059284378. The cubic root of 12999673 is about 235.1314972518.

The spelling of 12999673 in words is "twelve million, nine hundred ninety-nine thousand, six hundred seventy-three".