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12081829 is a prime number
BaseRepresentation
bin101110000101…
…101010100101
3211201211011011
4232011222211
511043104304
61110542221
7204456664
oct56055245
924654134
1012081829
116902291
124067971
132670316
141866ddb
1510d9c04
hexb85aa5

12081829 has 2 divisors, whose sum is σ = 12081830. Its totient is φ = 12081828.

The previous prime is 12081809. The next prime is 12081841. The reversal of 12081829 is 92818021.

It is a happy number.

12081829 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., 11222500 + 859329 = 3350^2 + 927^2 .

It is a cyclic number.

It is not a de Polignac number, because 12081829 - 219 = 11557541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12081829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12081809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040914 + 6040915.

It is an arithmetic number, because the mean of its divisors is an integer number (6040915).

Almost surely, 212081829 is an apocalyptic number.

It is an amenable number.

12081829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081829 is an equidigital number, since it uses as much as digits as its factorization.

12081829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 12081829 is about 3475.8925472460. The cubic root of 12081829 is about 229.4620635570.

The spelling of 12081829 in words is "twelve million, eighty-one thousand, eight hundred twenty-nine".