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12830668 = 2215720431
BaseRepresentation
bin110000111100…
…011111001100
3220010212100221
4300330133030
511241040133
61135001124
7214026124
oct60743714
926125327
1012830668
117273964
1243691a4
132873116
1419bdc84
1511d6a2d
hexc3c7cc

12830668 has 12 divisors (see below), whose sum is σ = 22597792. Its totient is φ = 6374160.

The previous prime is 12830659. The next prime is 12830669. The reversal of 12830668 is 86603821.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (12830669) 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, 9588 + ... + 10843.

Almost surely, 212830668 is an apocalyptic number.

It is an amenable number.

12830668 is a deficient number, since it is larger than the sum of its proper divisors (9767124).

12830668 is a wasteful number, since it uses less digits than its factorization.

12830668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20592 (or 20590 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 12830668 is about 3581.9921831294. The cubic root of 12830668 is about 234.1080904187.

The spelling of 12830668 in words is "twelve million, eight hundred thirty thousand, six hundred sixty-eight".

Divisors: 1 2 4 157 314 628 20431 40862 81724 3207667 6415334 12830668