11803489 has 2 divisors, whose sum is σ = 11803490. Its totient is φ = 11803488.

The previous prime is 11803487. The next prime is 11803511. The reversal of 11803489 is 98430811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 5085025 = 2592^2 + 2255^2 .

It is a cyclic number.

It is not a de Polignac number, because 11803489 - 2¹ = 11803487 is a prime.

Together with 11803487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11803487) 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 as a sum of consecutive naturals, namely, 5901744 + 5901745.

It is an arithmetic number, because the mean of its divisors is an integer number (5901745).

Almost surely, 2^11803489 is an apocalyptic number.

It is an amenable number.

11803489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11803489 is an equidigital number, since it uses as much as digits as its factorization.

11803489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 11803489 is about 3435.6206135137. The cubic root of 11803489 is about 227.6862476760.

The spelling of 11803489 in words is "eleven million, eight hundred three thousand, four hundred eighty-nine".