12302947 has 2 divisors, whose sum is σ = 12302948. Its totient is φ = 12302946.

The previous prime is 12302921. The next prime is 12302957. The reversal of 12302947 is 74920321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12302947 - 2¹⁹ = 11778659 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (12302957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151473 + 6151474.

It is an arithmetic number, because the mean of its divisors is an integer number (6151474).

Almost surely, 2^12302947 is an apocalyptic number.

12302947 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302947 is an equidigital number, since it uses as much as digits as its factorization.

12302947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12302947 is about 3507.5557016247. Note that the first 3 decimals coincide. The cubic root of 12302947 is about 230.8534580267.

The spelling of 12302947 in words is "twelve million, three hundred two thousand, nine hundred forty-seven".