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12806923 is a prime number
BaseRepresentation
bin110000110110…
…101100001011
3220002122210111
4300312230023
511234310143
61134255151
7213566653
oct60665413
926078714
1012806923
117258038
1243574b7
13286537c
1419b5363
1511ce99d
hexc36b0b

12806923 has 2 divisors, whose sum is σ = 12806924. Its totient is φ = 12806922.

The previous prime is 12806903. The next prime is 12806939. The reversal of 12806923 is 32960821.

12806923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12806923 - 25 = 12806891 is a prime.

It is equal to p837526 and since 12806923 and 837526 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12806903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6403461 + 6403462.

It is an arithmetic number, because the mean of its divisors is an integer number (6403462).

Almost surely, 212806923 is an apocalyptic number.

12806923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12806923 is an equidigital number, since it uses as much as digits as its factorization.

12806923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 12806923 is about 3578.6761518752. The cubic root of 12806923 is about 233.9635843203.

The spelling of 12806923 in words is "twelve million, eight hundred six thousand, nine hundred twenty-three".