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12577223 is a prime number
BaseRepresentation
bin101111111110…
…100111000111
3212122222201002
4233332213013
511204432343
61125323515
7211622201
oct57764707
925588632
1012577223
1171104aa
12426659b
1327b4959
141955771
1511868b8
hexbfe9c7

12577223 has 2 divisors, whose sum is σ = 12577224. Its totient is φ = 12577222.

The previous prime is 12577217. The next prime is 12577237. The reversal of 12577223 is 32277521.

It is a weak prime.

It is an emirp because it is prime and its reverse (32277521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12577223 - 210 = 12576199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12177223) 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, 6288611 + 6288612.

It is an arithmetic number, because the mean of its divisors is an integer number (6288612).

Almost surely, 212577223 is an apocalyptic number.

12577223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12577223 is an equidigital number, since it uses as much as digits as its factorization.

12577223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 29.

The square root of 12577223 is about 3546.4380722071. The cubic root of 12577223 is about 232.5563774332.

The spelling of 12577223 in words is "twelve million, five hundred seventy-seven thousand, two hundred twenty-three".