11787393 has 4 divisors (see below), whose sum is σ = 15716528. Its totient is φ = 7858260.

The previous prime is 11787389. The next prime is 11787421. The reversal of 11787393 is 39378711.

It is a happy number.

11787393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 11787393 - 2² = 11787389 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11787313) 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, 1964563 + ... + 1964568.

It is an arithmetic number, because the mean of its divisors is an integer number (3929132).

Almost surely, 2^11787393 is an apocalyptic number.

It is an amenable number.

11787393 is a deficient number, since it is larger than the sum of its proper divisors (3929135).

11787393 is an equidigital number, since it uses as much as digits as its factorization.

11787393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3929134.

The product of its digits is 31752, while the sum is 39.

The square root of 11787393 is about 3433.2772972773. The cubic root of 11787393 is about 227.5827047045.

The spelling of 11787393 in words is "eleven million, seven hundred eighty-seven thousand, three hundred ninety-three".