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12555107 is a prime number
BaseRepresentation
bin101111111001…
…001101100011
3212121212100222
4233321031203
511203230412
61125033255
7211500545
oct57711543
925555328
1012555107
1170a5924
12425582b
1327a7876
14194b695
151180072
hexbf9363

12555107 has 2 divisors, whose sum is σ = 12555108. Its totient is φ = 12555106.

The previous prime is 12555083. The next prime is 12555113. The reversal of 12555107 is 70155521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70155521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12555107 - 26 = 12555043 is a prime.

It is not a weakly prime, because it can be changed into another prime (12555607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277553 + 6277554.

It is an arithmetic number, because the mean of its divisors is an integer number (6277554).

Almost surely, 212555107 is an apocalyptic number.

12555107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12555107 is an equidigital number, since it uses as much as digits as its factorization.

12555107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1750, while the sum is 26.

The square root of 12555107 is about 3543.3186421771. The cubic root of 12555107 is about 232.4199871126.

The spelling of 12555107 in words is "twelve million, five hundred fifty-five thousand, one hundred seven".