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12680716 = 223170179
BaseRepresentation
bin110000010111…
…111000001100
3212212020200011
4300113320030
511221240331
61131443004
7212533006
oct60277014
925766604
1012680716
117181234
1242b6464
13281caa9
141981376
1511a73b1
hexc17e0c

12680716 has 6 divisors (see below), whose sum is σ = 22191260. Its totient is φ = 6340356.

The previous prime is 12680711. The next prime is 12680719. The reversal of 12680716 is 61708621.

It is not an unprimeable number, because it can be changed into a prime (12680711) 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 as a sum of consecutive naturals, namely, 1585086 + ... + 1585093.

Almost surely, 212680716 is an apocalyptic number.

It is an amenable number.

12680716 is a deficient number, since it is larger than the sum of its proper divisors (9510544).

12680716 is a wasteful number, since it uses less digits than its factorization.

12680716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170183 (or 3170181 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12680716 is about 3560.9992979499. Note that the first 3 decimals coincide. The cubic root of 12680716 is about 233.1925073132.

The spelling of 12680716 in words is "twelve million, six hundred eighty thousand, seven hundred sixteen".

Divisors: 1 2 4 3170179 6340358 12680716