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12886273 = 13992707
BaseRepresentation
bin110001001010…
…000100000001
3220020200122101
4301022010001
511244330043
61140110401
7214350211
oct61120401
926220571
1012886273
117301714
124395401
13289251a
1419d6241
1511e824d
hexc4a101

12886273 has 4 divisors (see below), whose sum is σ = 12979120. Its totient is φ = 12793428.

The previous prime is 12886267. The next prime is 12886277. The reversal of 12886273 is 37268821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12886273 - 25 = 12886241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12886277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46215 + ... + 46492.

It is an arithmetic number, because the mean of its divisors is an integer number (3244780).

Almost surely, 212886273 is an apocalyptic number.

It is an amenable number.

12886273 is a deficient number, since it is larger than the sum of its proper divisors (92847).

12886273 is an equidigital number, since it uses as much as digits as its factorization.

12886273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92846.

The product of its digits is 32256, while the sum is 37.

The square root of 12886273 is about 3589.7455341570. The cubic root of 12886273 is about 234.4457922567.

It can be divided in two parts, 12886 and 273, that multiplied together give a triangular number (3517878 = T2652).

The spelling of 12886273 in words is "twelve million, eight hundred eighty-six thousand, two hundred seventy-three".

Divisors: 1 139 92707 12886273