10821833 has 4 divisors (see below), whose sum is σ = 11805648. Its totient is φ = 9838020.

The previous prime is 10821829. The next prime is 10821851. The reversal of 10821833 is 33812801.

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: 33812801 = 11 ⋅3073891.

It is a cyclic number.

It is not a de Polignac number, because 10821833 - 2² = 10821829 is a prime.

It is a super-2 number, since 2×10821833² = 234224138959778, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10821893) 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, 491891 + ... + 491912.

It is an arithmetic number, because the mean of its divisors is an integer number (2951412).

Almost surely, 2^10821833 is an apocalyptic number.

It is an amenable number.

10821833 is a deficient number, since it is larger than the sum of its proper divisors (983815).

10821833 is an equidigital number, since it uses as much as digits as its factorization.

10821833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983814.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 10821833 is about 3289.6554530832. The cubic root of 10821833 is about 221.1907405106.

The spelling of 10821833 in words is "ten million, eight hundred twenty-one thousand, eight hundred thirty-three".