Search a number
-
+
12842923 is a prime number
BaseRepresentation
bin110000111111…
…011110101011
3220011111011211
4300333132223
511241433143
61135133551
7214106632
oct60773653
926144154
1012842923
117282095
1243742b7
132878882
1419c4519
1511da49d
hexc3f7ab

12842923 has 2 divisors, whose sum is σ = 12842924. Its totient is φ = 12842922.

The previous prime is 12842887. The next prime is 12842927. The reversal of 12842923 is 32924821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12842923 - 29 = 12842411 is a prime.

It is not a weakly prime, because it can be changed into another prime (12842927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421461 + 6421462.

It is an arithmetic number, because the mean of its divisors is an integer number (6421462).

Almost surely, 212842923 is an apocalyptic number.

12842923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12842923 is an equidigital number, since it uses as much as digits as its factorization.

12842923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 12842923 is about 3583.7024151009. The cubic root of 12842923 is about 234.1826015225.

The spelling of 12842923 in words is "twelve million, eight hundred forty-two thousand, nine hundred twenty-three".