11798321 has 4 divisors (see below), whose sum is σ = 12178944. Its totient is φ = 11417700.

The previous prime is 11798291. The next prime is 11798327. The reversal of 11798321 is 12389711.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12389711 = 821 ⋅15091.

It is a cyclic number.

It is not a de Polignac number, because 11798321 - 2¹⁴ = 11781937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11798327) 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, 190265 + ... + 190326.

It is an arithmetic number, because the mean of its divisors is an integer number (3044736).

Almost surely, 2^11798321 is an apocalyptic number.

It is an amenable number.

11798321 is a deficient number, since it is larger than the sum of its proper divisors (380623).

11798321 is an equidigital number, since it uses as much as digits as its factorization.

11798321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380622.

The product of its digits is 3024, while the sum is 32.

The square root of 11798321 is about 3434.8684108711. The cubic root of 11798321 is about 227.6530130310.

The spelling of 11798321 in words is "eleven million, seven hundred ninety-eight thousand, three hundred twenty-one".