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12933843 = 3132314419
BaseRepresentation
bin110001010101…
…101011010011
3220100002220020
4301111223103
511302340333
61141114523
7214635666
oct61255323
926302806
1012933843
11733442a
1243b8a43
1328ab080
141a096dd
1512073b3
hexc55ad3

12933843 has 16 divisors (see below), whose sum is σ = 19380480. Its totient is φ = 7612704.

The previous prime is 12933829. The next prime is 12933847. The reversal of 12933843 is 34833921.

It is a happy number.

It is not a de Polignac number, because 12933843 - 24 = 12933827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12933847) 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 15 ways as a sum of consecutive naturals, for example, 6313 + ... + 8106.

It is an arithmetic number, because the mean of its divisors is an integer number (1211280).

Almost surely, 212933843 is an apocalyptic number.

12933843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12933843 is a deficient number, since it is larger than the sum of its proper divisors (6446637).

12933843 is a wasteful number, since it uses less digits than its factorization.

12933843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14458.

The product of its digits is 15552, while the sum is 33.

The square root of 12933843 is about 3596.3652484140. The cubic root of 12933843 is about 234.7339255042.

The spelling of 12933843 in words is "twelve million, nine hundred thirty-three thousand, eight hundred forty-three".

Divisors: 1 3 13 23 39 69 299 897 14419 43257 187447 331637 562341 994911 4311281 12933843