Search a number
-
+
12731683 is a prime number
BaseRepresentation
bin110000100100…
…010100100011
3212221211120211
4300210110203
511224403213
61132514551
7213134416
oct60442443
925854524
1012731683
117206558
12431ba57
13283a053
141995b7d
1511b753d
hexc24523

12731683 has 2 divisors, whose sum is σ = 12731684. Its totient is φ = 12731682.

The previous prime is 12731681. The next prime is 12731699. The reversal of 12731683 is 38613721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12731683 - 21 = 12731681 is a prime.

Together with 12731681, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12731681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365841 + 6365842.

It is an arithmetic number, because the mean of its divisors is an integer number (6365842).

Almost surely, 212731683 is an apocalyptic number.

12731683 is a deficient number, since it is larger than the sum of its proper divisors (1).

12731683 is an equidigital number, since it uses as much as digits as its factorization.

12731683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 12731683 is about 3568.1483993803. The cubic root of 12731683 is about 233.5045095397.

The spelling of 12731683 in words is "twelve million, seven hundred thirty-one thousand, six hundred eighty-three".