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12927732 = 2231077311
BaseRepresentation
bin110001010100…
…001011110100
3220022210111220
4301110023310
511302141412
61141030340
7214612116
oct61241364
926283456
1012927732
11732a884
1243b53b0
1328a835c
141a073b6
15120568c
hexc542f4

12927732 has 12 divisors (see below), whose sum is σ = 30164736. Its totient is φ = 4309240.

The previous prime is 12927721. The next prime is 12927743. The reversal of 12927732 is 23772921.

It is an interprime number because it is at equal distance from previous prime (12927721) and next prime (12927743).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12927693 and 12927702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538644 + ... + 538667.

It is an arithmetic number, because the mean of its divisors is an integer number (2513728).

Almost surely, 212927732 is an apocalyptic number.

12927732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12927732 is an abundant number, since it is smaller than the sum of its proper divisors (17237004).

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

12927732 is a wasteful number, since it uses less digits than its factorization.

12927732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1077318 (or 1077316 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 12927732 is about 3595.5155402251. The cubic root of 12927732 is about 234.6969505439.

The spelling of 12927732 in words is "twelve million, nine hundred twenty-seven thousand, seven hundred thirty-two".

Divisors: 1 2 3 4 6 12 1077311 2154622 3231933 4309244 6463866 12927732