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12528937 is a prime number
BaseRepresentation
bin101111110010…
…110100101001
3212120112110201
4233302310221
511201411222
61124312201
7211331341
oct57626451
925515421
1012528937
1170881a3
124242661
132798995
141941d21
151177427
hexbf2d29

12528937 has 2 divisors, whose sum is σ = 12528938. Its totient is φ = 12528936.

The previous prime is 12528913. The next prime is 12528941. The reversal of 12528937 is 73982521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8934121 + 3594816 = 2989^2 + 1896^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12528937 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12528896 and 12528905.

It is not a weakly prime, because it can be changed into another prime (12528907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264468 + 6264469.

It is an arithmetic number, because the mean of its divisors is an integer number (6264469).

Almost surely, 212528937 is an apocalyptic number.

It is an amenable number.

12528937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12528937 is an equidigital number, since it uses as much as digits as its factorization.

12528937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 12528937 is about 3539.6238500722. The cubic root of 12528937 is about 232.2583885414.

The spelling of 12528937 in words is "twelve million, five hundred twenty-eight thousand, nine hundred thirty-seven".