11821033 has 8 divisors (see below), whose sum is σ = 13617152. Its totient is φ = 10051776.

The previous prime is 11821031. The next prime is 11821081. The reversal of 11821033 is 33012811.

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

It is not a de Polignac number, because 11821033 - 2¹ = 11821031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11821033.

It is not an unprimeable number, because it can be changed into a prime (11821031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5760 + ... + 7537.

It is an arithmetic number, because the mean of its divisors is an integer number (1702144).

Almost surely, 2^11821033 is an apocalyptic number.

It is an amenable number.

11821033 is a deficient number, since it is larger than the sum of its proper divisors (1796119).

11821033 is a wasteful number, since it uses less digits than its factorization.

11821033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13431.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 11821033 is about 3438.1729159541. The cubic root of 11821033 is about 227.7989982389.

Adding to 11821033 its reverse (33012811), we get a palindrome (44833844).

The spelling of 11821033 in words is "eleven million, eight hundred twenty-one thousand, thirty-three".