1193748213 has 16 divisors (see below), whose sum is σ = 1827209216. Its totient is φ = 679080240.

The previous prime is 1193748209. The next prime is 1193748221. The reversal of 1193748213 is 3128473911.

It is not a de Polignac number, because 1193748213 - 2² = 1193748209 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1193748293) 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 15 ways as a sum of consecutive naturals, for example, 122773 + ... + 132138.

It is an arithmetic number, because the mean of its divisors is an integer number (114200576).

Almost surely, 2^1193748213 is an apocalyptic number.

It is an amenable number.

1193748213 is a deficient number, since it is larger than the sum of its proper divisors (633461003).

1193748213 is a wasteful number, since it uses less digits than its factorization.

1193748213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255144.

The product of its digits is 36288, while the sum is 39.

The square root of 1193748213 is about 34550.6615421471. The cubic root of 1193748213 is about 1060.8099342617.

The spelling of 1193748213 in words is "one billion, one hundred ninety-three million, seven hundred forty-eight thousand, two hundred thirteen".