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12928682 = 213497257
BaseRepresentation
bin110001010100…
…011010101010
3220022211211002
4301110122222
511302204212
61141035002
7214614644
oct61243252
926284732
1012928682
117330568
1243b5a62
1328a8910
141a07894
151205ac2
hexc546aa

12928682 has 8 divisors (see below), whose sum is σ = 20884836. Its totient is φ = 5967072.

The previous prime is 12928679. The next prime is 12928697. The reversal of 12928682 is 28682921.

It can be written as a sum of positive squares in 2 ways, for example, as 9728161 + 3200521 = 3119^2 + 1789^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248603 + ... + 248654.

Almost surely, 212928682 is an apocalyptic number.

12928682 is a deficient number, since it is larger than the sum of its proper divisors (7956154).

12928682 is a wasteful number, since it uses less digits than its factorization.

12928682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497272.

The product of its digits is 27648, while the sum is 38.

The square root of 12928682 is about 3595.6476468086. The cubic root of 12928682 is about 234.7026993388.

The spelling of 12928682 in words is "twelve million, nine hundred twenty-eight thousand, six hundred eighty-two".

Divisors: 1 2 13 26 497257 994514 6464341 12928682