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12570073 is a prime number
BaseRepresentation
bin101111111100…
…110111011001
3212122121220021
4233330313121
511204220243
61125230441
7211562305
oct57746731
925577807
1012570073
11710609a
124262421
1327b1619
141952d05
1511846ed
hexbfcdd9

12570073 has 2 divisors, whose sum is σ = 12570074. Its totient is φ = 12570072.

The previous prime is 12570043. The next prime is 12570119. The reversal of 12570073 is 37007521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11471769 + 1098304 = 3387^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 12570073 - 29 = 12569561 is a prime.

It is not a weakly prime, because it can be changed into another prime (12570043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285036 + 6285037.

It is an arithmetic number, because the mean of its divisors is an integer number (6285037).

Almost surely, 212570073 is an apocalyptic number.

It is an amenable number.

12570073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12570073 is an equidigital number, since it uses as much as digits as its factorization.

12570073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 12570073 is about 3545.4298752055. The cubic root of 12570073 is about 232.5123005786.

Adding to 12570073 its reverse (37007521), we get a palindrome (49577594).

The spelling of 12570073 in words is "twelve million, five hundred seventy thousand, seventy-three".