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12577613 is a prime number
BaseRepresentation
bin101111111110…
…101101001101
3212200000020112
4233332231031
511204440423
61125325405
7211623266
oct57765515
925600215
1012577613
117110824
124266865
1327b4b99
14195596d
151186a78
hexbfeb4d

12577613 has 2 divisors, whose sum is σ = 12577614. Its totient is φ = 12577612.

The previous prime is 12577577. The next prime is 12577657. The reversal of 12577613 is 31677521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8743849 + 3833764 = 2957^2 + 1958^2 .

It is an emirp because it is prime and its reverse (31677521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12577613 - 214 = 12561229 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12577613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12577673) 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, 6288806 + 6288807.

It is an arithmetic number, because the mean of its divisors is an integer number (6288807).

Almost surely, 212577613 is an apocalyptic number.

It is an amenable number.

12577613 is a deficient number, since it is larger than the sum of its proper divisors (1).

12577613 is an equidigital number, since it uses as much as digits as its factorization.

12577613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 32.

The square root of 12577613 is about 3546.4930565278. The cubic root of 12577613 is about 232.5587811448.

The spelling of 12577613 in words is "twelve million, five hundred seventy-seven thousand, six hundred thirteen".