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12507107 is a prime number
BaseRepresentation
bin101111101101…
…011111100011
3212112102112012
4233231133203
511200211412
61124023135
7211210604
oct57553743
925472465
1012507107
117072858
124231aab
13278ba72
141937dab
151170c22
hexbed7e3

12507107 has 2 divisors, whose sum is σ = 12507108. Its totient is φ = 12507106.

The previous prime is 12507059. The next prime is 12507137. The reversal of 12507107 is 70170521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70170521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12507107 - 210 = 12506083 is a prime.

It is not a weakly prime, because it can be changed into another prime (12507137) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253553 + 6253554.

It is an arithmetic number, because the mean of its divisors is an integer number (6253554).

Almost surely, 212507107 is an apocalyptic number.

12507107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12507107 is an equidigital number, since it uses as much as digits as its factorization.

12507107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 12507107 is about 3536.5388446898. The cubic root of 12507107 is about 232.1234170433.

Adding to 12507107 its reverse (70170521), we get a palindrome (82677628).

The spelling of 12507107 in words is "twelve million, five hundred seven thousand, one hundred seven".