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12285541 is a prime number
BaseRepresentation
bin101110110111…
…011001100101
3212010011121001
4232313121211
511121114131
61115153301
7206265622
oct56673145
925104531
1012285541
116a31344
124145831
132711c68
1418bb349
15112a261
hexbb7665

12285541 has 2 divisors, whose sum is σ = 12285542. Its totient is φ = 12285540.

The previous prime is 12285523. The next prime is 12285551. The reversal of 12285541 is 14558221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 894916 = 3375^2 + 946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12285541 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12285521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6142770 + 6142771.

It is an arithmetic number, because the mean of its divisors is an integer number (6142771).

Almost surely, 212285541 is an apocalyptic number.

It is an amenable number.

12285541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12285541 is an equidigital number, since it uses as much as digits as its factorization.

12285541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 28.

The square root of 12285541 is about 3505.0736083569. The cubic root of 12285541 is about 230.7445374632.

The spelling of 12285541 in words is "twelve million, two hundred eighty-five thousand, five hundred forty-one".