11826489 has 8 divisors (see below), whose sum is σ = 15788320. Its totient is φ = 7874496.

The previous prime is 11826487. The next prime is 11826499. The reversal of 11826489 is 98462811.

11826489 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11826489 - 2¹ = 11826487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11826481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074 + ... + 4980.

It is an arithmetic number, because the mean of its divisors is an integer number (1973540).

Almost surely, 2^11826489 is an apocalyptic number.

It is an amenable number.

11826489 is a deficient number, since it is larger than the sum of its proper divisors (3961831).

11826489 is a wasteful number, since it uses less digits than its factorization.

11826489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919.

The product of its digits is 27648, while the sum is 39.

The square root of 11826489 is about 3438.9662690989. The cubic root of 11826489 is about 227.8340397384.

The spelling of 11826489 in words is "eleven million, eight hundred twenty-six thousand, four hundred eighty-nine".