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12986063 = 19683477
BaseRepresentation
bin110001100010…
…011011001111
3220102202112022
4301202123033
511311023223
61142200355
7215244146
oct61423317
926382468
1012986063
11736a692
1244230bb
1328c8a7c
141a2075d
151217ac8
hexc626cf

12986063 has 4 divisors (see below), whose sum is σ = 13669560. Its totient is φ = 12302568.

The previous prime is 12986041. The next prime is 12986081. The reversal of 12986063 is 36068921.

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 12986063 - 212 = 12981967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12986003) by changing a digit.

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, 341720 + ... + 341757.

It is an arithmetic number, because the mean of its divisors is an integer number (3417390).

Almost surely, 212986063 is an apocalyptic number.

12986063 is a deficient number, since it is larger than the sum of its proper divisors (683497).

12986063 is an equidigital number, since it uses as much as digits as its factorization.

12986063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683496.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 12986063 is about 3603.6180430229. The cubic root of 12986063 is about 235.0494116711.

The spelling of 12986063 in words is "twelve million, nine hundred eighty-six thousand, sixty-three".

Divisors: 1 19 683477 12986063