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12879851 is a prime number
BaseRepresentation
bin110001001000…
…011111101011
3220020100211112
4301020133223
511244123401
61140020535
7214322405
oct61103753
926210745
1012879851
1172a7906
12439174b
13288c61a
1419d3b75
1511e63bb
hexc487eb

12879851 has 2 divisors, whose sum is σ = 12879852. Its totient is φ = 12879850.

The previous prime is 12879827. The next prime is 12879859. The reversal of 12879851 is 15897821.

12879851 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12879851 - 214 = 12863467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12879799 and 12879808.

It is not a weakly prime, because it can be changed into another prime (12879859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6439925 + 6439926.

It is an arithmetic number, because the mean of its divisors is an integer number (6439926).

Almost surely, 212879851 is an apocalyptic number.

12879851 is a deficient number, since it is larger than the sum of its proper divisors (1).

12879851 is an equidigital number, since it uses as much as digits as its factorization.

12879851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 41.

The square root of 12879851 is about 3588.8509303118. The cubic root of 12879851 is about 234.4068396685.

The spelling of 12879851 in words is "twelve million, eight hundred seventy-nine thousand, eight hundred fifty-one".