1300003247 has 2 divisors, whose sum is σ = 1300003248. Its totient is φ = 1300003246.

The previous prime is 1300003231. The next prime is 1300003279. The reversal of 1300003247 is 7423000031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1300003247 - 2⁴ = 1300003231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1300003207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650001623 + 650001624.

It is an arithmetic number, because the mean of its divisors is an integer number (650001624).

Almost surely, 2^1300003247 is an apocalyptic number.

1300003247 is a deficient number, since it is larger than the sum of its proper divisors (1).

1300003247 is an equidigital number, since it uses as much as digits as its factorization.

1300003247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 1300003247 is about 36055.5577824002. The cubic root of 1300003247 is about 1091.3937917149.

Adding to 1300003247 its reverse (7423000031), we get a palindrome (8723003278).

The spelling of 1300003247 in words is "one billion, three hundred million, three thousand, two hundred forty-seven".