Search a number
-
+
12200897 is a prime number
BaseRepresentation
bin101110100010…
…101111000001
3211221212111002
4232202233001
511110412042
61113301345
7205464062
oct56425701
924855432
1012200897
116983795
124104855
1326b2587
141898569
151110132
hexba2bc1

12200897 has 2 divisors, whose sum is σ = 12200898. Its totient is φ = 12200896.

The previous prime is 12200857. The next prime is 12200899. The reversal of 12200897 is 79800221.

It is a happy number.

12200897 is digitally balanced in base 2, because in such base 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., 11999296 + 201601 = 3464^2 + 449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12200897 is a prime.

Together with 12200899, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12200899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100448 + 6100449.

It is an arithmetic number, because the mean of its divisors is an integer number (6100449).

Almost surely, 212200897 is an apocalyptic number.

It is an amenable number.

12200897 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200897 is an equidigital number, since it uses as much as digits as its factorization.

12200897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 12200897 is about 3492.9782421309. The cubic root of 12200897 is about 230.2133936349.

The spelling of 12200897 in words is "twelve million, two hundred thousand, eight hundred ninety-seven".