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12942798 = 2311414783
BaseRepresentation
bin110001010111…
…110111001110
3220100120011220
4301113313032
511303132143
61141224210
7215004051
oct61276716
926316156
1012942798
117340130
124402066
1328b217b
141a0ca98
151209d83
hexc57dce

12942798 has 32 divisors (see below), whose sum is σ = 28933632. Its totient is φ = 3825600.

The previous prime is 12942791. The next prime is 12942799. The reversal of 12942798 is 89724921.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315 + ... + 5097.

It is an arithmetic number, because the mean of its divisors is an integer number (904176).

Almost surely, 212942798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12942798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14466816).

12942798 is an abundant number, since it is smaller than the sum of its proper divisors (15990834).

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

12942798 is a wasteful number, since it uses less digits than its factorization.

12942798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840.

The product of its digits is 72576, while the sum is 42.

The square root of 12942798 is about 3597.6100400127. The cubic root of 12942798 is about 234.7880872193.

The spelling of 12942798 in words is "twelve million, nine hundred forty-two thousand, seven hundred ninety-eight".

Divisors: 1 2 3 6 11 22 33 41 66 82 123 246 451 902 1353 2706 4783 9566 14349 28698 52613 105226 157839 196103 315678 392206 588309 1176618 2157133 4314266 6471399 12942798