12680428247 has 2 divisors, whose sum is σ = 12680428248. Its totient is φ = 12680428246.

The previous prime is 12680428237. The next prime is 12680428279. The reversal of 12680428247 is 74282408621.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12680428247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12680428198 and 12680428207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12680428237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6340214123 + 6340214124.

It is an arithmetic number, because the mean of its divisors is an integer number (6340214124).

Almost surely, 2^12680428247 is an apocalyptic number.

12680428247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12680428247 is an equidigital number, since it uses as much as digits as its factorization.

12680428247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 12680428247 in words is "twelve billion, six hundred eighty million, four hundred twenty-eight thousand, two hundred forty-seven".