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12144829 is a prime number
BaseRepresentation
bin101110010101…
…000010111101
3211212000120111
4232111002331
511102113304
61112150021
7205141444
oct56250275
924760514
1012144829
116945654
124098311
132692bb8
141881d5b
1510ed704
hexb950bd

12144829 has 2 divisors, whose sum is σ = 12144830. Its totient is φ = 12144828.

The previous prime is 12144827. The next prime is 12144859. The reversal of 12144829 is 92844121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11042329 + 1102500 = 3323^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 12144829 - 21 = 12144827 is a prime.

Together with 12144827, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12144829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072414 + 6072415.

It is an arithmetic number, because the mean of its divisors is an integer number (6072415).

Almost surely, 212144829 is an apocalyptic number.

It is an amenable number.

12144829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144829 is an equidigital number, since it uses as much as digits as its factorization.

12144829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 12144829 is about 3484.9431846158. The cubic root of 12144829 is about 229.8602112130.

The spelling of 12144829 in words is "twelve million, one hundred forty-four thousand, eight hundred twenty-nine".