Search a number
-
+
12168001 is a prime number
BaseRepresentation
bin101110011010…
…101101000001
3211220012100201
4232122231001
511103334001
61112445201
7205266136
oct56325501
924805321
1012168001
116960aaa
1240a9801
1326a0601
14188a58d
151105501
hexb9ab41

12168001 has 2 divisors, whose sum is σ = 12168002. Its totient is φ = 12168000.

The previous prime is 12167993. The next prime is 12168007. The reversal of 12168001 is 10086121.

12168001 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8708401 + 3459600 = 2951^2 + 1860^2 .

It is a cyclic number.

It is not a de Polignac number, because 12168001 - 23 = 12167993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12168001.

It is not a weakly prime, because it can be changed into another prime (12168007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6084000 + 6084001.

It is an arithmetic number, because the mean of its divisors is an integer number (6084001).

Almost surely, 212168001 is an apocalyptic number.

It is an amenable number.

12168001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12168001 is an equidigital number, since it uses as much as digits as its factorization.

12168001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

The square root of 12168001 is about 3488.2661882374. The cubic root of 12168001 is about 230.0063073255.

The spelling of 12168001 in words is "twelve million, one hundred sixty-eight thousand, one".