11804889 has 4 divisors (see below), whose sum is σ = 15739856. Its totient is φ = 7869924.

The previous prime is 11804867. The next prime is 11804917. The reversal of 11804889 is 98840811.

It is a happy number.

11804889 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, and also an emirpimes, since its reverse is a distinct semiprime: 98840811 = 3 ⋅32946937.

It is not a de Polignac number, because 11804889 - 2⁵ = 11804857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11804839) 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, 1967479 + ... + 1967484.

It is an arithmetic number, because the mean of its divisors is an integer number (3934964).

Almost surely, 2^11804889 is an apocalyptic number.

It is an amenable number.

11804889 is a deficient number, since it is larger than the sum of its proper divisors (3934967).

11804889 is an equidigital number, since it uses as much as digits as its factorization.

11804889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934966.

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 11804889 is about 3435.8243552312. The cubic root of 11804889 is about 227.6952491993.

The spelling of 11804889 in words is "eleven million, eight hundred four thousand, eight hundred eighty-nine".