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12995137 is a prime number
BaseRepresentation
bin110001100100…
…101001000001
3220110012222101
4301210221001
511311321022
61142310401
7215312461
oct61445101
926405871
1012995137
117376491
124428401
1328ccc3c
141a23ba1
15121a627
hexc64a41

12995137 has 2 divisors, whose sum is σ = 12995138. Its totient is φ = 12995136.

The previous prime is 12995117. The next prime is 12995141. The reversal of 12995137 is 73159921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 99856 = 3591^2 + 316^2 .

It is an emirp because it is prime and its reverse (73159921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12995137 - 223 = 4606529 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12995096 and 12995105.

It is not a weakly prime, because it can be changed into another prime (12995117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6497568 + 6497569.

It is an arithmetic number, because the mean of its divisors is an integer number (6497569).

Almost surely, 212995137 is an apocalyptic number.

It is an amenable number.

12995137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12995137 is an equidigital number, since it uses as much as digits as its factorization.

12995137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 37.

The square root of 12995137 is about 3604.8768356214. The cubic root of 12995137 is about 235.1041457806.

It can be divided in two parts, 129 and 95137, that added together give a triangular number (95266 = T436).

The spelling of 12995137 in words is "twelve million, nine hundred ninety-five thousand, one hundred thirty-seven".