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12861343 = 114327191
BaseRepresentation
bin110001000011…
…111110011111
3220012102110001
4301003332133
511243030333
61135355131
7214214425
oct61037637
926172401
1012861343
117294a10
124382aa7
132884081
1419cb115
1511e0b7d
hexc43f9f

12861343 has 8 divisors (see below), whose sum is σ = 14357376. Its totient is φ = 11419800.

The previous prime is 12861341. The next prime is 12861349. The reversal of 12861343 is 34316821.

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 12861343 - 21 = 12861341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12861341) 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, 13123 + ... + 14068.

It is an arithmetic number, because the mean of its divisors is an integer number (1794672).

Almost surely, 212861343 is an apocalyptic number.

12861343 is a deficient number, since it is larger than the sum of its proper divisors (1496033).

12861343 is a wasteful number, since it uses less digits than its factorization.

12861343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27245.

The product of its digits is 3456, while the sum is 28.

The square root of 12861343 is about 3586.2714621177. The cubic root of 12861343 is about 234.2945070671.

The spelling of 12861343 in words is "twelve million, eight hundred sixty-one thousand, three hundred forty-three".

Divisors: 1 11 43 473 27191 299101 1169213 12861343