11830393 has 4 divisors (see below), whose sum is σ = 11873380. Its totient is φ = 11787408.

The previous prime is 11830387. The next prime is 11830409. The reversal of 11830393 is 39303811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2393209 + 9437184 = 1547^2 + 3072^2 .

It is a cyclic number.

It is not a de Polignac number, because 11830393 - 2¹³ = 11822201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11830363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21078 + ... + 21631.

It is an arithmetic number, because the mean of its divisors is an integer number (2968345).

Almost surely, 2^11830393 is an apocalyptic number.

It is an amenable number.

11830393 is a deficient number, since it is larger than the sum of its proper divisors (42987).

11830393 is an equidigital number, since it uses as much as digits as its factorization.

11830393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42986.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 11830393 is about 3439.5338346933. The cubic root of 11830393 is about 227.8591068071.

The spelling of 11830393 in words is "eleven million, eight hundred thirty thousand, three hundred ninety-three".