1196687993 has 2 divisors, whose sum is σ = 1196687994. Its totient is φ = 1196687992.

The previous prime is 1196687983. The next prime is 1196688029. The reversal of 1196687993 is 3997866911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1020674704 + 176013289 = 31948^2 + 13267^2 .

It is an emirp because it is prime and its reverse (3997866911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1196687993 - 2¹⁶ = 1196622457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1196687903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598343996 + 598343997.

It is an arithmetic number, because the mean of its divisors is an integer number (598343997).

Almost surely, 2^1196687993 is an apocalyptic number.

It is an amenable number.

1196687993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196687993 is an equidigital number, since it uses as much as digits as its factorization.

1196687993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 59.

The square root of 1196687993 is about 34593.1784171388. The cubic root of 1196687993 is about 1061.6800204130.

The spelling of 1196687993 in words is "one billion, one hundred ninety-six million, six hundred eighty-seven thousand, nine hundred ninety-three".