Search a number
-
+
12228599 is a prime number
BaseRepresentation
bin101110101001…
…011111110111
3212000021111002
4232221133313
511112303344
61114033515
7205640615
oct56513767
925007432
1012228599
1169a2589
12411889b
1326c2076
1418a46b5
15111844e
hexba97f7

12228599 has 2 divisors, whose sum is σ = 12228600. Its totient is φ = 12228598.

The previous prime is 12228583. The next prime is 12228613. The reversal of 12228599 is 99582221.

It is a strong prime.

It is an emirp because it is prime and its reverse (99582221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12228599 - 24 = 12228583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12228529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6114299 + 6114300.

It is an arithmetic number, because the mean of its divisors is an integer number (6114300).

Almost surely, 212228599 is an apocalyptic number.

12228599 is a deficient number, since it is larger than the sum of its proper divisors (1).

12228599 is an equidigital number, since it uses as much as digits as its factorization.

12228599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 12228599 is about 3496.9413778329. The cubic root of 12228599 is about 230.3874942475.

The spelling of 12228599 in words is "twelve million, two hundred twenty-eight thousand, five hundred ninety-nine".