1300647947 has 2 divisors, whose sum is σ = 1300647948. Its totient is φ = 1300647946.

The previous prime is 1300647923. The next prime is 1300647949. The reversal of 1300647947 is 7497460031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1300647947 - 2¹⁰ = 1300646923 is a prime.

Together with 1300647949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1300647949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650323973 + 650323974.

It is an arithmetic number, because the mean of its divisors is an integer number (650323974).

Almost surely, 2^1300647947 is an apocalyptic number.

1300647947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300647947 is an equidigital number, since it uses as much as digits as its factorization.

1300647947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 1300647947 is about 36064.4970434914. The cubic root of 1300647947 is about 1091.5741772376.

The spelling of 1300647947 in words is "one billion, three hundred million, six hundred forty-seven thousand, nine hundred forty-seven".