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12346472587 is a prime number
BaseRepresentation
bin10110111111110100…
…00011100010001011
31011212110001210101111
423133322003202023
5200241144110322
65401043431151
7614646166621
oct133772034213
934773053344
1012346472587
115266297659
1224869854b7
131219b842a7
14851a4b511
154c3dae177
hex2dfe8388b

12346472587 has 2 divisors, whose sum is σ = 12346472588. Its totient is φ = 12346472586.

The previous prime is 12346472549. The next prime is 12346472599. The reversal of 12346472587 is 78527464321.

It is a strong prime.

It is an emirp because it is prime and its reverse (78527464321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12346472587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12346472587.

It is not a weakly prime, because it can be changed into another prime (12346472507) 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, 6173236293 + 6173236294.

It is an arithmetic number, because the mean of its divisors is an integer number (6173236294).

Almost surely, 212346472587 is an apocalyptic number.

12346472587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12346472587 is an equidigital number, since it uses as much as digits as its factorization.

12346472587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 49.

The spelling of 12346472587 in words is "twelve billion, three hundred forty-six million, four hundred seventy-two thousand, five hundred eighty-seven".