Search a number
-
+
12532271 is a prime number
BaseRepresentation
bin101111110011…
…101000101111
3212120201001012
4233303220233
511202013041
61124335435
7211344143
oct57635057
925521035
1012532271
11708a754
12424457b
13279a35b
141943223
1511783eb
hexbf3a2f

12532271 has 2 divisors, whose sum is σ = 12532272. Its totient is φ = 12532270.

The previous prime is 12532237. The next prime is 12532279. The reversal of 12532271 is 17223521.

It is a happy number.

12532271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12532271 - 210 = 12531247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12532279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266135 + 6266136.

It is an arithmetic number, because the mean of its divisors is an integer number (6266136).

Almost surely, 212532271 is an apocalyptic number.

12532271 is a deficient number, since it is larger than the sum of its proper divisors (1).

12532271 is an equidigital number, since it uses as much as digits as its factorization.

12532271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 12532271 is about 3540.0947727427. The cubic root of 12532271 is about 232.2789883415.

Adding to 12532271 its reverse (17223521), we get a palindrome (29755792).

The spelling of 12532271 in words is "twelve million, five hundred thirty-two thousand, two hundred seventy-one".