12670247 has 2 divisors, whose sum is σ = 12670248. Its totient is φ = 12670246.

The previous prime is 12670223. The next prime is 12670261. The reversal of 12670247 is 74207621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12670247 - 2⁶ = 12670183 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 (12670277) 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, 6335123 + 6335124.

It is an arithmetic number, because the mean of its divisors is an integer number (6335124).

Almost surely, 2^12670247 is an apocalyptic number.

12670247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12670247 is an equidigital number, since it uses as much as digits as its factorization.

12670247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 12670247 is about 3559.5290418818. The cubic root of 12670247 is about 233.1283162875.

Adding to 12670247 its reverse (74207621), we get a palindrome (86877868).

The spelling of 12670247 in words is "twelve million, six hundred seventy thousand, two hundred forty-seven".