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12894383 is a prime number
BaseRepresentation
bin110001001100…
…000010101111
3220021002202202
4301030002233
511300110013
61140212115
7214412645
oct61140257
926232682
1012894383
117307817
12439a03b
132896118
1419d9195
1511ea858
hexc4c0af

12894383 has 2 divisors, whose sum is σ = 12894384. Its totient is φ = 12894382.

The previous prime is 12894379. The next prime is 12894433. The reversal of 12894383 is 38349821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12894383 - 22 = 12894379 is a prime.

It is a super-3 number, since 3×128943833 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12894353) 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, 6447191 + 6447192.

It is an arithmetic number, because the mean of its divisors is an integer number (6447192).

Almost surely, 212894383 is an apocalyptic number.

12894383 is a deficient number, since it is larger than the sum of its proper divisors (1).

12894383 is an equidigital number, since it uses as much as digits as its factorization.

12894383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 12894383 is about 3590.8749630139. The cubic root of 12894383 is about 234.4949649084.

The spelling of 12894383 in words is "twelve million, eight hundred ninety-four thousand, three hundred eighty-three".