Search a number
-
+
12151297 is a prime number
BaseRepresentation
bin101110010110…
…101000000001
3211212100110001
4232112220001
511102320142
61112240001
7205166344
oct56265001
924770401
1012151297
11694a4a4
1240a0001
132695b22
14188445b
1511005b7
hexb96a01

12151297 has 2 divisors, whose sum is σ = 12151298. Its totient is φ = 12151296.

The previous prime is 12151289. The next prime is 12151343. The reversal of 12151297 is 79215121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9247681 + 2903616 = 3041^2 + 1704^2 .

It is a cyclic number.

It is not a de Polignac number, because 12151297 - 23 = 12151289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12151247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6075648 + 6075649.

It is an arithmetic number, because the mean of its divisors is an integer number (6075649).

Almost surely, 212151297 is an apocalyptic number.

It is an amenable number.

12151297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12151297 is an equidigital number, since it uses as much as digits as its factorization.

12151297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 28.

The square root of 12151297 is about 3485.8710532663. The cubic root of 12151297 is about 229.9010097014.

The spelling of 12151297 in words is "twelve million, one hundred fifty-one thousand, two hundred ninety-seven".