Search a number
-
+
12147833 is a prime number
BaseRepresentation
bin101110010101…
…110001111001
3211212011200202
4232111301321
511102212313
61112211545
7205153265
oct56256171
924764622
1012147833
116947935
124099bb5
132694389
1418830a5
1510ee558
hexb95c79

12147833 has 2 divisors, whose sum is σ = 12147834. Its totient is φ = 12147832.

The previous prime is 12147829. The next prime is 12147847. The reversal of 12147833 is 33874121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6135529 + 6012304 = 2477^2 + 2452^2 .

It is an emirp because it is prime and its reverse (33874121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12147833 - 22 = 12147829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12147796 and 12147805.

It is not a weakly prime, because it can be changed into another prime (12147823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6073916 + 6073917.

It is an arithmetic number, because the mean of its divisors is an integer number (6073917).

Almost surely, 212147833 is an apocalyptic number.

It is an amenable number.

12147833 is a deficient number, since it is larger than the sum of its proper divisors (1).

12147833 is an equidigital number, since it uses as much as digits as its factorization.

12147833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 12147833 is about 3485.3741549509. The cubic root of 12147833 is about 229.8791614771.

The spelling of 12147833 in words is "twelve million, one hundred forty-seven thousand, eight hundred thirty-three".