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12793976 = 231329463
BaseRepresentation
bin110000110011…
…100001111000
3220002000000222
4300303201320
511233401401
61134115212
7213514136
oct60634170
926060028
1012793976
117249338
12434bb08
13285c500
1419b0756
1511cac1b
hexc33878

12793976 has 24 divisors (see below), whose sum is σ = 25978680. Its totient is φ = 5904288.

The previous prime is 12793969. The next prime is 12793981. The reversal of 12793976 is 67939721.

It is a happy number.

It is a zygodrome in base 2.

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 5 ways as a sum of consecutive naturals, for example, 3380 + ... + 6083.

It is an arithmetic number, because the mean of its divisors is an integer number (1082445).

Almost surely, 212793976 is an apocalyptic number.

It is an amenable number.

12793976 is an abundant number, since it is smaller than the sum of its proper divisors (13184704).

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

12793976 is a wasteful number, since it uses less digits than its factorization.

12793976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9495 (or 9478 counting only the distinct ones).

The product of its digits is 142884, while the sum is 44.

The square root of 12793976 is about 3576.8667853304. The cubic root of 12793976 is about 233.8847168762.

The spelling of 12793976 in words is "twelve million, seven hundred ninety-three thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 9463 18926 37852 75704 123019 246038 492076 984152 1599247 3198494 6396988 12793976