1196956913 has 4 divisors (see below), whose sum is σ = 1197223908. Its totient is φ = 1196689920.

The previous prime is 1196956883. The next prime is 1196956931. The reversal of 1196956913 is 3196596911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3196596911 = 463 ⋅6904097.

It can be written as a sum of positive squares in 2 ways, for example, as 911617249 + 285339664 = 30193^2 + 16892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1196956913 - 2¹² = 1196952817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1196956963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126656 + ... + 135777.

It is an arithmetic number, because the mean of its divisors is an integer number (299305977).

Almost surely, 2^1196956913 is an apocalyptic number.

It is an amenable number.

1196956913 is a deficient number, since it is larger than the sum of its proper divisors (266995).

1196956913 is an equidigital number, since it uses as much as digits as its factorization.

1196956913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266994.

The product of its digits is 393660, while the sum is 50.

The square root of 1196956913 is about 34597.0650922878. The cubic root of 1196956913 is about 1061.7595414491.

The spelling of 1196956913 in words is "one billion, one hundred ninety-six million, nine hundred fifty-six thousand, nine hundred thirteen".