1306720607 has 2 divisors, whose sum is σ = 1306720608. Its totient is φ = 1306720606.

The previous prime is 1306720603. The next prime is 1306720637. The reversal of 1306720607 is 7060276031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1306720607 - 2² = 1306720603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306720603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653360303 + 653360304.

It is an arithmetic number, because the mean of its divisors is an integer number (653360304).

Almost surely, 2^1306720607 is an apocalyptic number.

1306720607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306720607 is an equidigital number, since it uses as much as digits as its factorization.

1306720607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 1306720607 is about 36148.5906640909. The cubic root of 1306720607 is about 1093.2703751692.

Adding to 1306720607 its reverse (7060276031), we get a palindrome (8366996638).

The spelling of 1306720607 in words is "one billion, three hundred six million, seven hundred twenty thousand, six hundred seven".