1195747013 has 2 divisors, whose sum is σ = 1195747014. Its totient is φ = 1195747012.

The previous prime is 1195747009. The next prime is 1195747027. The reversal of 1195747013 is 3107475911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1195568929 + 178084 = 34577^2 + 422^2 .

It is an emirp because it is prime and its reverse (3107475911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1195747013 - 2² = 1195747009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1195747313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597873506 + 597873507.

It is an arithmetic number, because the mean of its divisors is an integer number (597873507).

Almost surely, 2^1195747013 is an apocalyptic number.

It is an amenable number.

1195747013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1195747013 is an equidigital number, since it uses as much as digits as its factorization.

1195747013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 1195747013 is about 34579.5750841447. The cubic root of 1195747013 is about 1061.4016739446.

The spelling of 1195747013 in words is "one billion, one hundred ninety-five million, seven hundred forty-seven thousand, thirteen".