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12946812 = 2236716103
BaseRepresentation
bin110001011000…
…110101111100
3220100202200120
4301120311330
511303244222
61141254540
7215021544
oct61306574
926322616
1012946812
11734314a
124404450
1328b3c48
141a10324
15120b15c
hexc58d7c

12946812 has 24 divisors (see below), whose sum is σ = 30662016. Its totient is φ = 4250928.

The previous prime is 12946811. The next prime is 12946819. The reversal of 12946812 is 21864921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12946811) 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 7 ways as a sum of consecutive naturals, for example, 7248 + ... + 8855.

It is an arithmetic number, because the mean of its divisors is an integer number (1277584).

Almost surely, 212946812 is an apocalyptic number.

12946812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12946812 is an abundant number, since it is smaller than the sum of its proper divisors (17715204).

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

12946812 is a wasteful number, since it uses less digits than its factorization.

12946812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16177 (or 16175 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 12946812 is about 3598.1678671235. The cubic root of 12946812 is about 234.8123566231.

The spelling of 12946812 in words is "twelve million, nine hundred forty-six thousand, eight hundred twelve".

Divisors: 1 2 3 4 6 12 67 134 201 268 402 804 16103 32206 48309 64412 96618 193236 1078901 2157802 3236703 4315604 6473406 12946812