12907847 has 2 divisors, whose sum is σ = 12907848. Its totient is φ = 12907846.

The previous prime is 12907841. The next prime is 12907883. The reversal of 12907847 is 74870921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12907847 - 2¹⁰ = 12906823 is a prime.

It is a super-2 number, since 2×12907847² = 333225028350818, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12907847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12907841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453923 + 6453924.

It is an arithmetic number, because the mean of its divisors is an integer number (6453924).

Almost surely, 2^12907847 is an apocalyptic number.

12907847 is a deficient number, since it is larger than the sum of its proper divisors (1).

12907847 is an equidigital number, since it uses as much as digits as its factorization.

12907847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 12907847 is about 3592.7492258715. The cubic root of 12907847 is about 234.5765544900.

The spelling of 12907847 in words is "twelve million, nine hundred seven thousand, eight hundred forty-seven".