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12208607 = 232811889
BaseRepresentation
bin101110100100…
…100111011111
3211222021001122
4232210213133
511111133412
61113401155
7205525415
oct56444737
924867048
1012208607
116989564
1241091bb
1326b5c38
14189b2b5
151112572
hexba49df

12208607 has 8 divisors (see below), whose sum is σ = 12791520. Its totient is φ = 11630080.

The previous prime is 12208597. The next prime is 12208627. The reversal of 12208607 is 70680221.

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

It is a cyclic number.

It is not a de Polignac number, because 12208607 - 26 = 12208543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12208627) 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, 5519 + ... + 7407.

It is an arithmetic number, because the mean of its divisors is an integer number (1598940).

Almost surely, 212208607 is an apocalyptic number.

12208607 is a deficient number, since it is larger than the sum of its proper divisors (582913).

12208607 is a wasteful number, since it uses less digits than its factorization.

12208607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12208607 is about 3494.0817105500. The cubic root of 12208607 is about 230.2618756310.

Adding to 12208607 its reverse (70680221), we get a palindrome (82888828).

The spelling of 12208607 in words is "twelve million, two hundred eight thousand, six hundred seven".

Divisors: 1 23 281 1889 6463 43447 530809 12208607