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12628716 = 2236911523
BaseRepresentation
bin110000001011…
…001011101100
3212202121100020
4300023023230
511213104331
61130402140
7212225262
oct60131354
925677306
1012628716
117146161
124290350
132802219
14196a432
151196c96
hexc0b2ec

12628716 has 24 divisors (see below), whose sum is σ = 29529024. Its totient is φ = 4200720.

The previous prime is 12628709. The next prime is 12628741. The reversal of 12628716 is 61782621.

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 7 ways as a sum of consecutive naturals, for example, 7531 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (1230376).

Almost surely, 212628716 is an apocalyptic number.

It is an amenable number.

12628716 is an abundant number, since it is smaller than the sum of its proper divisors (16900308).

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

12628716 is a wasteful number, since it uses less digits than its factorization.

12628716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221 (or 2219 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 12628716 is about 3553.6904761107. The cubic root of 12628716 is about 232.8733186242.

The spelling of 12628716 in words is "twelve million, six hundred twenty-eight thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 691 1382 1523 2073 2764 3046 4146 4569 6092 8292 9138 18276 1052393 2104786 3157179 4209572 6314358 12628716