1306727199 has 6 divisors (see below), whose sum is σ = 1887494856. Its totient is φ = 871151460.

The previous prime is 1306727179. The next prime is 1306727209. The reversal of 1306727199 is 9917276031.

It is not a de Polignac number, because 1306727199 - 2⁵ = 1306727167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306727119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72595947 + ... + 72595964.

It is an arithmetic number, because the mean of its divisors is an integer number (314582476).

Almost surely, 2^1306727199 is an apocalyptic number.

1306727199 is a deficient number, since it is larger than the sum of its proper divisors (580767657).

1306727199 is a wasteful number, since it uses less digits than its factorization.

1306727199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145191917 (or 145191914 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 1306727199 is about 36148.6818431876. The cubic root of 1306727199 is about 1093.2722135693.

The spelling of 1306727199 in words is "one billion, three hundred six million, seven hundred twenty-seven thousand, one hundred ninety-nine".