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12798469 is a prime number
BaseRepresentation
bin110000110100…
…101000000101
3220002020012101
4300310220011
511234022334
61134152101
7213533215
oct60645005
926066171
1012798469
117251752
124352631
132861578
1419b2245
1511cc214
hexc34a05

12798469 has 2 divisors, whose sum is σ = 12798470. Its totient is φ = 12798468.

The previous prime is 12798463. The next prime is 12798479. The reversal of 12798469 is 96489721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10975969 + 1822500 = 3313^2 + 1350^2 .

It is a cyclic number.

It is not a de Polignac number, because 12798469 - 27 = 12798341 is a prime.

It is a super-2 number, since 2×127984692 = 327601617487922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12798463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6399234 + 6399235.

It is an arithmetic number, because the mean of its divisors is an integer number (6399235).

Almost surely, 212798469 is an apocalyptic number.

It is an amenable number.

12798469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12798469 is an equidigital number, since it uses as much as digits as its factorization.

12798469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 46.

The square root of 12798469 is about 3577.4947938467. The cubic root of 12798469 is about 233.9120922869.

It can be divided in two parts, 127 and 98469, that added together give a square (98596 = 3142).

The spelling of 12798469 in words is "twelve million, seven hundred ninety-eight thousand, four hundred sixty-nine".