1306760047 has 4 divisors (see below), whose sum is σ = 1307037816. Its totient is φ = 1306482280.

The previous prime is 1306760011. The next prime is 1306760057. The reversal of 1306760047 is 7400676031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1306760047 - 2¹⁹ = 1306235759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1306759994 and 1306760021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306760057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131704 + ... + 141277.

It is an arithmetic number, because the mean of its divisors is an integer number (326759454).

Almost surely, 2^1306760047 is an apocalyptic number.

1306760047 is a deficient number, since it is larger than the sum of its proper divisors (277769).

1306760047 is an equidigital number, since it uses as much as digits as its factorization.

1306760047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277768.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 1306760047 is about 36149.1361860833. The cubic root of 1306760047 is about 1093.2813742431.

The spelling of 1306760047 in words is "one billion, three hundred six million, seven hundred sixty thousand, forty-seven".