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12970471 is a prime number
BaseRepresentation
bin110001011110…
…100111100111
3220101222010211
4301132213213
511310023341
61142000251
7215150533
oct61364747
926358124
1012970471
1173599a8
124416087
1328c1947
141a18bc3
151213181
hexc5e9e7

12970471 has 2 divisors, whose sum is σ = 12970472. Its totient is φ = 12970470.

The previous prime is 12970469. The next prime is 12970487. The reversal of 12970471 is 17407921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12970471 - 21 = 12970469 is a prime.

It is a super-3 number, since 3×129704713 (a number of 22 digits) contains 333 as substring.

Together with 12970469, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12970871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485235 + 6485236.

It is an arithmetic number, because the mean of its divisors is an integer number (6485236).

Almost surely, 212970471 is an apocalyptic number.

12970471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12970471 is an equidigital number, since it uses as much as digits as its factorization.

12970471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 12970471 is about 3601.4540119235. The cubic root of 12970471 is about 234.9553015937.

The spelling of 12970471 in words is "twelve million, nine hundred seventy thousand, four hundred seventy-one".