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12028787 is a prime number
BaseRepresentation
bin101101111000…
…101101110011
3211122010101122
4231320231303
511034410122
61105452455
7204146231
oct55705563
924563348
1012028787
116876451
12404112b
132652134
141851951
1510c9142
hexb78b73

12028787 has 2 divisors, whose sum is σ = 12028788. Its totient is φ = 12028786.

The previous prime is 12028781. The next prime is 12028789. The reversal of 12028787 is 78782021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12028787 - 28 = 12028531 is a prime.

Together with 12028789, 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 (12028781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6014393 + 6014394.

It is an arithmetic number, because the mean of its divisors is an integer number (6014394).

Almost surely, 212028787 is an apocalyptic number.

12028787 is a deficient number, since it is larger than the sum of its proper divisors (1).

12028787 is an equidigital number, since it uses as much as digits as its factorization.

12028787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 12028787 is about 3468.2541717700. The cubic root of 12028787 is about 229.1257739193.

The spelling of 12028787 in words is "twelve million, twenty-eight thousand, seven hundred eighty-seven".