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12209359 is a prime number
BaseRepresentation
bin101110100100…
…110011001111
3211222022002111
4232210303033
511111144414
61113404451
7205530541
oct56446317
924868074
1012209359
11698a088
124109727
1326b6396
14189b691
1511128c4
hexba4ccf

12209359 has 2 divisors, whose sum is σ = 12209360. Its totient is φ = 12209358.

The previous prime is 12209357. The next prime is 12209369. The reversal of 12209359 is 95390221.

It is a weak prime.

It is an emirp because it is prime and its reverse (95390221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12209359 - 21 = 12209357 is a prime.

Together with 12209357, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12209359.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12209357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6104679 + 6104680.

It is an arithmetic number, because the mean of its divisors is an integer number (6104680).

Almost surely, 212209359 is an apocalyptic number.

12209359 is a deficient number, since it is larger than the sum of its proper divisors (1).

12209359 is an equidigital number, since it uses as much as digits as its factorization.

12209359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 12209359 is about 3494.1893194273. The cubic root of 12209359 is about 230.2666032622.

The spelling of 12209359 in words is "twelve million, two hundred nine thousand, three hundred fifty-nine".