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12254971 is a prime number
BaseRepresentation
bin101110101111…
…111011111011
3212001121122211
4232233323323
511114124341
61114355551
7206110531
oct56577373
925047584
1012254971
116a10383
12412bbb7
132701081
1418b0151
151121181
hexbafefb

12254971 has 2 divisors, whose sum is σ = 12254972. Its totient is φ = 12254970.

The previous prime is 12254969. The next prime is 12254987. The reversal of 12254971 is 17945221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12254971 - 21 = 12254969 is a prime.

Together with 12254969, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12254911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127485 + 6127486.

It is an arithmetic number, because the mean of its divisors is an integer number (6127486).

Almost surely, 212254971 is an apocalyptic number.

12254971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254971 is an equidigital number, since it uses as much as digits as its factorization.

12254971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 31.

The square root of 12254971 is about 3500.7100708285. The cubic root of 12254971 is about 230.5529919899.

It can be divided in two parts, 12254 and 971, that added together give a square (13225 = 1152).

The spelling of 12254971 in words is "twelve million, two hundred fifty-four thousand, nine hundred seventy-one".