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12706469 is a prime number
BaseRepresentation
bin110000011110…
…001010100101
3212220112222222
4300132022211
511223101334
61132202125
7213001046
oct60361245
925815888
1012706469
117199616
124309345
13282b729
14198a8cd
1511aed2e
hexc1e2a5

12706469 has 2 divisors, whose sum is σ = 12706470. Its totient is φ = 12706468.

The previous prime is 12706451. The next prime is 12706471. The reversal of 12706469 is 96460721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9375844 + 3330625 = 3062^2 + 1825^2 .

It is a cyclic number.

It is not a de Polignac number, because 12706469 - 212 = 12702373 is a prime.

It is a super-2 number, since 2×127064692 = 322908708895922, which contains 22 as substring.

Together with 12706471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12706409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353234 + 6353235.

It is an arithmetic number, because the mean of its divisors is an integer number (6353235).

Almost surely, 212706469 is an apocalyptic number.

It is an amenable number.

12706469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12706469 is an equidigital number, since it uses as much as digits as its factorization.

12706469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 12706469 is about 3564.6134432782. The cubic root of 12706469 is about 233.3502624905.

The spelling of 12706469 in words is "twelve million, seven hundred six thousand, four hundred sixty-nine".