1306325671 has 4 divisors (see below), whose sum is σ = 1492943632. Its totient is φ = 1119707712.

The previous prime is 1306325659. The next prime is 1306325693. The reversal of 1306325671 is 1765236031.

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 1306325671 - 2⁹ = 1306325159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306325621) 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, 93308970 + ... + 93308983.

It is an arithmetic number, because the mean of its divisors is an integer number (373235908).

Almost surely, 2^1306325671 is an apocalyptic number.

1306325671 is a deficient number, since it is larger than the sum of its proper divisors (186617961).

1306325671 is an equidigital number, since it uses as much as digits as its factorization.

1306325671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186617960.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1306325671 is about 36143.1275763457. The cubic root of 1306325671 is about 1093.1602227431.

The spelling of 1306325671 in words is "one billion, three hundred six million, three hundred twenty-five thousand, six hundred seventy-one".