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12258427 is a prime number
BaseRepresentation
bin101110110000…
…110001111011
3212001210101211
4232300301323
511114232202
61114423551
7206123566
oct56606173
925053354
1012258427
116a12a35
124131bb7
13270280c
1418b14dd
1511221d7
hexbb0c7b

12258427 has 2 divisors, whose sum is σ = 12258428. Its totient is φ = 12258426.

The previous prime is 12258413. The next prime is 12258431. The reversal of 12258427 is 72485221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12258427 - 211 = 12256379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12258487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6129213 + 6129214.

It is an arithmetic number, because the mean of its divisors is an integer number (6129214).

Almost surely, 212258427 is an apocalyptic number.

12258427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12258427 is an equidigital number, since it uses as much as digits as its factorization.

12258427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 31.

The square root of 12258427 is about 3501.2036501752. The cubic root of 12258427 is about 230.5746625499.

The spelling of 12258427 in words is "twelve million, two hundred fifty-eight thousand, four hundred twenty-seven".