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12274987 is a prime number
BaseRepresentation
bin101110110100…
…110100101011
3212002122010011
4232310310223
511120244422
61115032351
7206223064
oct56646453
925078104
1012274987
116a2441a
12413b6b7
13270a20a
1418b756b
151127077
hexbb4d2b

12274987 has 2 divisors, whose sum is σ = 12274988. Its totient is φ = 12274986.

The previous prime is 12274981. The next prime is 12275017. The reversal of 12274987 is 78947221.

12274987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12274987 - 23 = 12274979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12274981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6137493 + 6137494.

It is an arithmetic number, because the mean of its divisors is an integer number (6137494).

Almost surely, 212274987 is an apocalyptic number.

12274987 is a deficient number, since it is larger than the sum of its proper divisors (1).

12274987 is an equidigital number, since it uses as much as digits as its factorization.

12274987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 40.

The square root of 12274987 is about 3503.5677530198. The cubic root of 12274987 is about 230.6784441716.

The spelling of 12274987 in words is "twelve million, two hundred seventy-four thousand, nine hundred eighty-seven".