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12804269 is a prime number
BaseRepresentation
bin110000110110…
…000010101101
3220002112011012
4300312002231
511234214034
61134235005
7213556142
oct60660255
926075135
1012804269
117256045
124355a65
1328640ba
1419b43c9
1511cdcce
hexc360ad

12804269 has 2 divisors, whose sum is σ = 12804270. Its totient is φ = 12804268.

The previous prime is 12804251. The next prime is 12804277. The reversal of 12804269 is 96240821.

12804269 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 can be written as a sum of positive squares in only one way, i.e., 7628644 + 5175625 = 2762^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 12804269 - 212 = 12800173 is a prime.

It is a super-2 number, since 2×128042692 = 327898609248722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12804229) 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, 6402134 + 6402135.

It is an arithmetic number, because the mean of its divisors is an integer number (6402135).

Almost surely, 212804269 is an apocalyptic number.

It is an amenable number.

12804269 is a deficient number, since it is larger than the sum of its proper divisors (1).

12804269 is an equidigital number, since it uses as much as digits as its factorization.

12804269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 12804269 is about 3578.3053251504. The cubic root of 12804269 is about 233.9474216492.

The spelling of 12804269 in words is "twelve million, eight hundred four thousand, two hundred sixty-nine".