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12810968 = 231601371
BaseRepresentation
bin110000110111…
…101011011000
3220002212100022
4300313223120
511234422333
61134330012
7213614522
oct60675330
926085308
1012810968
117260085
124359908
132867171
1419b6a12
1511d0c98
hexc37ad8

12810968 has 8 divisors (see below), whose sum is σ = 24020580. Its totient is φ = 6405480.

The previous prime is 12810961. The next prime is 12810971. The reversal of 12810968 is 86901821.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12810961) 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 as a sum of consecutive naturals, namely, 800678 + ... + 800693.

Almost surely, 212810968 is an apocalyptic number.

It is an amenable number.

12810968 is a deficient number, since it is larger than the sum of its proper divisors (11209612).

12810968 is a wasteful number, since it uses less digits than its factorization.

12810968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601377 (or 1601373 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 12810968 is about 3579.2412603791. The cubic root of 12810968 is about 233.9882137877.

The spelling of 12810968 in words is "twelve million, eight hundred ten thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 1601371 3202742 6405484 12810968