Search a number
-
+
12208829 is a prime number
BaseRepresentation
bin101110100100…
…101010111101
3211222021100212
4232210222331
511111140304
61113402205
7205526153
oct56445275
924867325
1012208829
116989746
124109365
1326b6079
14189b3d3
15111266e
hexba4abd

12208829 has 2 divisors, whose sum is σ = 12208830. Its totient is φ = 12208828.

The previous prime is 12208817. The next prime is 12208831. The reversal of 12208829 is 92880221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11356900 + 851929 = 3370^2 + 923^2 .

It is a cyclic number.

It is not a de Polignac number, because 12208829 - 24 = 12208813 is a prime.

Together with 12208831, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12208795 and 12208804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12208429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6104414 + 6104415.

It is an arithmetic number, because the mean of its divisors is an integer number (6104415).

Almost surely, 212208829 is an apocalyptic number.

It is an amenable number.

12208829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12208829 is an equidigital number, since it uses as much as digits as its factorization.

12208829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 12208829 is about 3494.1134784091. The cubic root of 12208829 is about 230.2632713083.

The spelling of 12208829 in words is "twelve million, two hundred eight thousand, eight hundred twenty-nine".