11790813 has 4 divisors (see below), whose sum is σ = 15721088. Its totient is φ = 7860540.

The previous prime is 11790803. The next prime is 11790833. The reversal of 11790813 is 31809711.

11790813 is digitally balanced in base 3, 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 11790813 - 2⁴ = 11790797 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 (11790803) 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, 1965133 + ... + 1965138.

It is an arithmetic number, because the mean of its divisors is an integer number (3930272).

Almost surely, 2^11790813 is an apocalyptic number.

It is an amenable number.

11790813 is a deficient number, since it is larger than the sum of its proper divisors (3930275).

11790813 is an equidigital number, since it uses as much as digits as its factorization.

11790813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930274.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11790813 is about 3433.7753275367. The cubic root of 11790813 is about 227.6047128954.

The spelling of 11790813 in words is "eleven million, seven hundred ninety thousand, eight hundred thirteen".