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12682212 = 2232933607
BaseRepresentation
bin110000011000…
…001111100100
3212212022201120
4300120033210
511221312322
61131453540
7212540244
oct60301744
925768646
1012682212
117182374
1242b72b0
13282068a
141981b24
1511a7a5c
hexc183e4

12682212 has 24 divisors (see below), whose sum is σ = 29701056. Its totient is φ = 4211808.

The previous prime is 12682199. The next prime is 12682213. The reversal of 12682212 is 21228621.

It is not an unprimeable number, because it can be changed into a prime (12682213) 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, 1713 + ... + 5319.

It is an arithmetic number, because the mean of its divisors is an integer number (1237544).

Almost surely, 212682212 is an apocalyptic number.

12682212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12682212 is an abundant number, since it is smaller than the sum of its proper divisors (17018844).

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

12682212 is a wasteful number, since it uses less digits than its factorization.

12682212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3907 (or 3905 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 12682212 is about 3561.2093451523. The cubic root of 12682212 is about 233.2016772022.

The spelling of 12682212 in words is "twelve million, six hundred eighty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 293 586 879 1172 1758 3516 3607 7214 10821 14428 21642 43284 1056851 2113702 3170553 4227404 6341106 12682212