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12143371 is a prime number
BaseRepresentation
bin101110010100…
…101100001011
3211211221120111
4232110230023
511102041441
61112135151
7205134262
oct56245413
924757514
1012143371
116944549
1240974b7
132692336
1418815d9
1510ed081
hexb94b0b

12143371 has 2 divisors, whose sum is σ = 12143372. Its totient is φ = 12143370.

The previous prime is 12143353. The next prime is 12143387. The reversal of 12143371 is 17334121.

12143371 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 is a cyclic number.

It is not a de Polignac number, because 12143371 - 223 = 3754763 is a prime.

It is a super-2 number, since 2×121433712 = 294922918487282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12144371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6071685 + 6071686.

It is an arithmetic number, because the mean of its divisors is an integer number (6071686).

Almost surely, 212143371 is an apocalyptic number.

12143371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12143371 is an equidigital number, since it uses as much as digits as its factorization.

12143371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 22.

The square root of 12143371 is about 3484.7339927174. The cubic root of 12143371 is about 229.8510125217.

Adding to 12143371 its reverse (17334121), we get a palindrome (29477492).

The spelling of 12143371 in words is "twelve million, one hundred forty-three thousand, three hundred seventy-one".