1196565397 has 4 divisors (see below), whose sum is σ = 1205699616. Its totient is φ = 1187431180.

The previous prime is 1196565379. The next prime is 1196565401. The reversal of 1196565397 is 7935656911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1196565397 - 2⁷ = 1196565269 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 (1196565367) 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, 4566913 + ... + 4567174.

It is an arithmetic number, because the mean of its divisors is an integer number (301424904).

Almost surely, 2^1196565397 is an apocalyptic number.

It is an amenable number.

1196565397 is a deficient number, since it is larger than the sum of its proper divisors (9134219).

1196565397 is an equidigital number, since it uses as much as digits as its factorization.

1196565397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134218.

The product of its digits is 1530900, while the sum is 52.

The square root of 1196565397 is about 34591.4064039033. The cubic root of 1196565397 is about 1061.6437641876.

The spelling of 1196565397 in words is "one billion, one hundred ninety-six million, five hundred sixty-five thousand, three hundred ninety-seven".