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12880214 = 219675059
BaseRepresentation
bin110001001000…
…100101010110
3220020101022222
4301020211112
511244131324
61140022342
7214323434
oct61104526
926211288
1012880214
1172a8106
1243919b2
13288c839
1419d3d54
1511e655e
hexc48956

12880214 has 16 divisors (see below), whose sum is σ = 20644800. Its totient is φ = 6008904.

The previous prime is 12880201. The next prime is 12880247. The reversal of 12880214 is 41208821.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17 + ... + 5075.

It is an arithmetic number, because the mean of its divisors is an integer number (1290300).

Almost surely, 212880214 is an apocalyptic number.

12880214 is a deficient number, since it is larger than the sum of its proper divisors (7764586).

12880214 is a wasteful number, since it uses less digits than its factorization.

12880214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 12880214 is about 3588.9015032458. The cubic root of 12880214 is about 234.4090417872.

The spelling of 12880214 in words is "twelve million, eight hundred eighty thousand, two hundred fourteen".

Divisors: 1 2 19 38 67 134 1273 2546 5059 10118 96121 192242 338953 677906 6440107 12880214