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12668683 = 94113463
BaseRepresentation
bin110000010100…
…111100001011
3212211122011111
4300110330023
511220344213
61131311151
7212452636
oct60247413
925748144
1012668683
117173195
1242ab4b7
132817481
14197ac1d
1511a3a3d
hexc14f0b

12668683 has 4 divisors (see below), whose sum is σ = 12683088. Its totient is φ = 12654280.

The previous prime is 12668659. The next prime is 12668717. The reversal of 12668683 is 38686621.

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 12668683 - 221 = 10571531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12668603) by changing a digit.

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, 5791 + ... + 7672.

It is an arithmetic number, because the mean of its divisors is an integer number (3170772).

Almost surely, 212668683 is an apocalyptic number.

12668683 is a deficient number, since it is larger than the sum of its proper divisors (14405).

12668683 is an equidigital number, since it uses as much as digits as its factorization.

12668683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404.

The product of its digits is 82944, while the sum is 40.

The square root of 12668683 is about 3559.3093431170. The cubic root of 12668683 is about 233.1187235335.

The spelling of 12668683 in words is "twelve million, six hundred sixty-eight thousand, six hundred eighty-three".

Divisors: 1 941 13463 12668683