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12976686 = 23526701
BaseRepresentation
bin110001100000…
…001000101110
3220102021200000
4301200020232
511310223221
61142045130
7215204622
oct61401056
926367600
1012976686
117363638
1244197a6
1328c4718
141a1b182
151214e26
hexc6022e

12976686 has 24 divisors (see below), whose sum is σ = 29158584. Its totient is φ = 4325400.

The previous prime is 12976681. The next prime is 12976687. The reversal of 12976686 is 68667921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12976681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12865 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (1214941).

Almost surely, 212976686 is an apocalyptic number.

12976686 is an abundant number, since it is smaller than the sum of its proper divisors (16181898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12976686 is an equidigital number, since it uses as much as digits as its factorization.

12976686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26718 (or 26706 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 12976686 is about 3602.3167545345. The cubic root of 12976686 is about 234.9928230794.

The spelling of 12976686 in words is "twelve million, nine hundred seventy-six thousand, six hundred eighty-six".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 26701 53402 80103 160206 240309 480618 720927 1441854 2162781 4325562 6488343 12976686