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12870227 is a prime number
BaseRepresentation
bin110001000110…
…001001010011
3220012212122002
4301012021103
511243321402
61135504215
7214252346
oct61061123
926185562
1012870227
1172a0657
12438806b
132888126
1419d045d
1511e3602
hexc46253

12870227 has 2 divisors, whose sum is σ = 12870228. Its totient is φ = 12870226.

The previous prime is 12870217. The next prime is 12870233. The reversal of 12870227 is 72207821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12870227 - 28 = 12869971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12870227.

It is not a weakly prime, because it can be changed into another prime (12870217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6435113 + 6435114.

It is an arithmetic number, because the mean of its divisors is an integer number (6435114).

Almost surely, 212870227 is an apocalyptic number.

12870227 is a deficient number, since it is larger than the sum of its proper divisors (1).

12870227 is an equidigital number, since it uses as much as digits as its factorization.

12870227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 12870227 is about 3587.5098606136. The cubic root of 12870227 is about 234.3484411268.

The spelling of 12870227 in words is "twelve million, eight hundred seventy thousand, two hundred twenty-seven".