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12558043 is a prime number
BaseRepresentation
bin101111111001…
…111011011011
3212122000101201
4233321323123
511203324133
61125055031
7211512241
oct57717333
925560351
1012558043
1170a8053
124257477
1327a8cc4
14194c791
151180d7d
hexbf9edb

12558043 has 2 divisors, whose sum is σ = 12558044. Its totient is φ = 12558042.

The previous prime is 12558041. The next prime is 12558061. The reversal of 12558043 is 34085521.

12558043 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 an emirp because it is prime and its reverse (34085521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12558043 - 21 = 12558041 is a prime.

Together with 12558041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12558041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6279021 + 6279022.

It is an arithmetic number, because the mean of its divisors is an integer number (6279022).

Almost surely, 212558043 is an apocalyptic number.

12558043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12558043 is an equidigital number, since it uses as much as digits as its factorization.

12558043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 12558043 is about 3543.7329188301. The cubic root of 12558043 is about 232.4381027660.

The spelling of 12558043 in words is "twelve million, five hundred fifty-eight thousand, forty-three".