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12972107 is a prime number
BaseRepresentation
bin110001011111…
…000001001011
3220102001101102
4301133001023
511310101412
61142012015
7215155361
oct61370113
926361342
1012972107
117360155
12441700b
1328c2605
141a19631
1512138c2
hexc5f04b

12972107 has 2 divisors, whose sum is σ = 12972108. Its totient is φ = 12972106.

The previous prime is 12972103. The next prime is 12972131. The reversal of 12972107 is 70127921.

12972107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12972107 - 22 = 12972103 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 12972107.

It is not a weakly prime, because it can be changed into another prime (12972103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6486053 + 6486054.

It is an arithmetic number, because the mean of its divisors is an integer number (6486054).

Almost surely, 212972107 is an apocalyptic number.

12972107 is a deficient number, since it is larger than the sum of its proper divisors (1).

12972107 is an equidigital number, since it uses as much as digits as its factorization.

12972107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 12972107 is about 3601.6811352478. The cubic root of 12972107 is about 234.9651796907.

The spelling of 12972107 in words is "twelve million, nine hundred seventy-two thousand, one hundred seven".