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12685304 = 231585663
BaseRepresentation
bin110000011000…
…111111111000
3212212110222002
4300120333320
511221412204
61131520132
7212552252
oct60307770
925773862
1012685304
117184725
1242b9048
132821bc8
141982cd2
1511a891e
hexc18ff8

12685304 has 8 divisors (see below), whose sum is σ = 23784960. Its totient is φ = 6342648.

The previous prime is 12685303. The next prime is 12685313. The reversal of 12685304 is 40358621.

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

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685303) 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, 792824 + ... + 792839.

It is an arithmetic number, because the mean of its divisors is an integer number (2973120).

Almost surely, 212685304 is an apocalyptic number.

It is an amenable number.

12685304 is a deficient number, since it is larger than the sum of its proper divisors (11099656).

12685304 is a wasteful number, since it uses less digits than its factorization.

12685304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585669 (or 1585665 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12685304 is about 3561.6434408851. The cubic root of 12685304 is about 233.2206276553.

The spelling of 12685304 in words is "twelve million, six hundred eighty-five thousand, three hundred four".

Divisors: 1 2 4 8 1585663 3171326 6342652 12685304