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12685274 = 2719103463
BaseRepresentation
bin110000011000…
…111111011010
3212212110220222
4300120333122
511221412044
61131520042
7212552210
oct60307732
925773828
1012685274
1171846a8
1242b9022
132821ba4
141982cb0
1511a88ee
hexc18fda

12685274 has 32 divisors (see below), whose sum is σ = 23162880. Its totient is φ = 5089392.

The previous prime is 12685273. The next prime is 12685291. The reversal of 12685274 is 47258621.

It is not an unprimeable number, because it can be changed into a prime (12685273) 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 15 ways as a sum of consecutive naturals, for example, 27167 + ... + 27629.

It is an arithmetic number, because the mean of its divisors is an integer number (723840).

Almost surely, 212685274 is an apocalyptic number.

12685274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12685274 is a deficient number, since it is larger than the sum of its proper divisors (10477606).

12685274 is a wasteful number, since it uses less digits than its factorization.

12685274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its digits is 26880, while the sum is 35.

The square root of 12685274 is about 3561.6392293437. The cubic root of 12685274 is about 233.2204438042.

The spelling of 12685274 in words is "twelve million, six hundred eighty-five thousand, two hundred seventy-four".

Divisors: 1 2 7 14 19 38 103 133 206 266 463 721 926 1442 1957 3241 3914 6482 8797 13699 17594 27398 47689 61579 95378 123158 333823 667646 906091 1812182 6342637 12685274