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12806274 = 2313164183
BaseRepresentation
bin110000110110…
…100010000010
3220002121220110
4300312202002
511234300044
61134252150
7213565035
oct60664202
926077813
1012806274
1172575a8
124357056
132864ca0
1419b501c
1511ce6b9
hexc36882

12806274 has 16 divisors (see below), whose sum is σ = 27582912. Its totient is φ = 3940368.

The previous prime is 12806273. The next prime is 12806327. The reversal of 12806274 is 47260821.

It is not an unprimeable number, because it can be changed into a prime (12806273) 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, 82014 + ... + 82169.

It is an arithmetic number, because the mean of its divisors is an integer number (1723932).

Almost surely, 212806274 is an apocalyptic number.

12806274 is an abundant number, since it is smaller than the sum of its proper divisors (14776638).

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

12806274 is a wasteful number, since it uses less digits than its factorization.

12806274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164201.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12806274 is about 3578.5854747372. The cubic root of 12806274 is about 233.9596321628.

The spelling of 12806274 in words is "twelve million, eight hundred six thousand, two hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 78 164183 328366 492549 985098 2134379 4268758 6403137 12806274