Search a number
-
+
12528793 is a prime number
BaseRepresentation
bin101111110010…
…110010011001
3212120112021101
4233302302121
511201410133
61124311401
7211331044
oct57626231
925515241
1012528793
117088082
124242561
1327988b4
141941c5b
15117737d
hexbf2c99

12528793 has 2 divisors, whose sum is σ = 12528794. Its totient is φ = 12528792.

The previous prime is 12528773. The next prime is 12528823. The reversal of 12528793 is 39782521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10478169 + 2050624 = 3237^2 + 1432^2 .

It is an emirp because it is prime and its reverse (39782521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12528793 - 29 = 12528281 is a prime.

It is not a weakly prime, because it can be changed into another prime (12528713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6264396 + 6264397.

It is an arithmetic number, because the mean of its divisors is an integer number (6264397).

Almost surely, 212528793 is an apocalyptic number.

It is an amenable number.

12528793 is a deficient number, since it is larger than the sum of its proper divisors (1).

12528793 is an equidigital number, since it uses as much as digits as its factorization.

12528793 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 12528793 is about 3539.6035088693. The cubic root of 12528793 is about 232.2574987257.

The spelling of 12528793 in words is "twelve million, five hundred twenty-eight thousand, seven hundred ninety-three".