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12685684 = 22112291259
BaseRepresentation
bin110000011001…
…000101110100
3212212111111011
4300121011310
511221420214
61131522004
7212553334
oct60310564
925774434
1012685684
117184a40
1242b9304
13282212b
1419830c4
1511a8ac4
hexc19174

12685684 has 24 divisors (see below), whose sum is σ = 24343200. Its totient is φ = 5736480.

The previous prime is 12685681. The next prime is 12685733. The reversal of 12685684 is 48658621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12685681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9447 + ... + 10705.

It is an arithmetic number, because the mean of its divisors is an integer number (1014300).

Almost surely, 212685684 is an apocalyptic number.

It is an amenable number.

12685684 is a deficient number, since it is larger than the sum of its proper divisors (11657516).

12685684 is a wasteful number, since it uses less digits than its factorization.

12685684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1501 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The square root of 12685684 is about 3561.6967866454. The cubic root of 12685684 is about 233.2229564119. Note that the first 3 decimals are identical.

The spelling of 12685684 in words is "twelve million, six hundred eighty-five thousand, six hundred eighty-four".

Divisors: 1 2 4 11 22 44 229 458 916 1259 2518 2519 5036 5038 10076 13849 27698 55396 288311 576622 1153244 3171421 6342842 12685684