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12145829 is a prime number
BaseRepresentation
bin101110010101…
…010010100101
3211212001221112
4232111102211
511102131304
61112154405
7205144403
oct56252245
924761845
1012145829
116946383
124098a05
1326934a7
141882473
1510edb6e
hexb954a5

12145829 has 2 divisors, whose sum is σ = 12145830. Its totient is φ = 12145828.

The previous prime is 12145801. The next prime is 12145843. The reversal of 12145829 is 92854121.

12145829 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., 12061729 + 84100 = 3473^2 + 290^2 .

It is a cyclic number.

It is not a de Polignac number, because 12145829 - 212 = 12141733 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12145795 and 12145804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12145849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072914 + 6072915.

It is an arithmetic number, because the mean of its divisors is an integer number (6072915).

Almost surely, 212145829 is an apocalyptic number.

It is an amenable number.

12145829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145829 is an equidigital number, since it uses as much as digits as its factorization.

12145829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 32.

The square root of 12145829 is about 3485.0866560245. The cubic root of 12145829 is about 229.8665199035.

The spelling of 12145829 in words is "twelve million, one hundred forty-five thousand, eight hundred twenty-nine".