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12970289 is a prime number
BaseRepresentation
bin110001011110…
…100100110001
3220101221220002
4301132210301
511310022124
61141555345
7215150153
oct61364461
926357802
1012970289
117359852
124415b55
1328c1837
141a18ad3
1512130ae
hexc5e931

12970289 has 2 divisors, whose sum is σ = 12970290. Its totient is φ = 12970288.

The previous prime is 12970277. The next prime is 12970297. The reversal of 12970289 is 98207921.

12970289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12306064 + 664225 = 3508^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 12970289 - 24 = 12970273 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12970249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485144 + 6485145.

It is an arithmetic number, because the mean of its divisors is an integer number (6485145).

Almost surely, 212970289 is an apocalyptic number.

It is an amenable number.

12970289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12970289 is an equidigital number, since it uses as much as digits as its factorization.

12970289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 12970289 is about 3601.4287442625. The cubic root of 12970289 is about 234.9542026343.

The spelling of 12970289 in words is "twelve million, nine hundred seventy thousand, two hundred eighty-nine".