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12220833 = 310933727
BaseRepresentation
bin101110100111…
…100110100001
3211222212211110
4232213212201
511112031313
61113533533
7205606152
oct56474641
924885743
1012220833
116997769
1241142a9
1326bb681
1418a1929
151115ec3
hexba79a1

12220833 has 8 divisors (see below), whose sum is σ = 16313728. Its totient is φ = 8137584.

The previous prime is 12220823. The next prime is 12220849. The reversal of 12220833 is 33802221.

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

It is not a de Polignac number, because 12220833 - 214 = 12204449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12220823) 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, 1416 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (2039216).

Almost surely, 212220833 is an apocalyptic number.

It is an amenable number.

12220833 is a deficient number, since it is larger than the sum of its proper divisors (4092895).

12220833 is a wasteful number, since it uses less digits than its factorization.

12220833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 12220833 is about 3495.8308025418. The cubic root of 12220833 is about 230.3387132938.

The spelling of 12220833 in words is "twelve million, two hundred twenty thousand, eight hundred thirty-three".

Divisors: 1 3 1093 3279 3727 11181 4073611 12220833