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12208325 = 52488333
BaseRepresentation
bin101110100100…
…100011000101
3211222020200012
4232210203011
511111131300
61113400005
7205524533
oct56444305
924866605
1012208325
116989328
124109005
1326b5a7c
14189b153
151112435
hexba48c5

12208325 has 6 divisors (see below), whose sum is σ = 15138354. Its totient is φ = 9766640.

The previous prime is 12208321. The next prime is 12208349. The reversal of 12208325 is 52380221.

It can be written as a sum of positive squares in 3 ways, for example, as 289 + 12208036 = 17^2 + 3494^2 .

It is not a de Polignac number, because 12208325 - 22 = 12208321 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 12208325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12208321) 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 in 5 ways as a sum of consecutive naturals, for example, 244142 + ... + 244191.

It is an arithmetic number, because the mean of its divisors is an integer number (2523059).

Almost surely, 212208325 is an apocalyptic number.

It is an amenable number.

12208325 is a deficient number, since it is larger than the sum of its proper divisors (2930029).

12208325 is an equidigital number, since it uses as much as digits as its factorization.

12208325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488343 (or 488338 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12208325 is about 3494.0413563666. The cubic root of 12208325 is about 230.2601027192.

Adding to 12208325 its reverse (52380221), we get a palindrome (64588546).

The spelling of 12208325 in words is "twelve million, two hundred eight thousand, three hundred twenty-five".

Divisors: 1 5 25 488333 2441665 12208325