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12982195 = 52596439
BaseRepresentation
bin110001100001…
…011110110011
3220102120020001
4301201132303
511310412240
61142130431
7215226652
oct61413663
926376201
1012982195
117367796
124420a17
1328c7095
141a1d199
15121689a
hexc617b3

12982195 has 4 divisors (see below), whose sum is σ = 15578640. Its totient is φ = 10385752.

The previous prime is 12982181. The next prime is 12982213. The reversal of 12982195 is 59128921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12982195 - 211 = 12980147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298215 + ... + 1298224.

It is an arithmetic number, because the mean of its divisors is an integer number (3894660).

Almost surely, 212982195 is an apocalyptic number.

12982195 is a deficient number, since it is larger than the sum of its proper divisors (2596445).

12982195 is an equidigital number, since it uses as much as digits as its factorization.

12982195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596444.

The product of its digits is 12960, while the sum is 37.

The square root of 12982195 is about 3603.0813202036. The cubic root of 12982195 is about 235.0260722544.

The spelling of 12982195 in words is "twelve million, nine hundred eighty-two thousand, one hundred ninety-five".

Divisors: 1 5 2596439 12982195