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12072343 = 71193881
BaseRepresentation
bin101110000011…
…010110010111
3211201100010211
4232003112113
511042303333
61110430251
7204420223
oct56032627
924640124
1012072343
1168a6148
124062387
132668bca
141863783
1510d6ecd
hexb83597

12072343 has 8 divisors (see below), whose sum is σ = 12319776. Its totient is φ = 11827200.

The previous prime is 12072341. The next prime is 12072349. The reversal of 12072343 is 34327021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12072343 - 21 = 12072341 is a prime.

It is a Duffinian number.

12072343 is a modest number, since divided by 2343 gives 1207 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12072341) 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, 13263 + ... + 14143.

It is an arithmetic number, because the mean of its divisors is an integer number (1539972).

Almost surely, 212072343 is an apocalyptic number.

12072343 is a deficient number, since it is larger than the sum of its proper divisors (247433).

12072343 is an equidigital number, since it uses as much as digits as its factorization.

12072343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 12072343 is about 3474.5277376933. The cubic root of 12072343 is about 229.4019940908.

Adding to 12072343 its reverse (34327021), we get a palindrome (46399364).

The spelling of 12072343 in words is "twelve million, seventy-two thousand, three hundred forty-three".

Divisors: 1 71 193 881 13703 62551 170033 12072343