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12694055 = 5111491549
BaseRepresentation
bin110000011011…
…001000100111
3212212220222012
4300123020213
511222202210
61132024435
7212616623
oct60331047
925786865
1012694055
117190260
12430211b
132825b9a
141986183
1511ab305
hexc1b227

12694055 has 16 divisors (see below), whose sum is σ = 16740000. Its totient is φ = 9164160.

The previous prime is 12694049. The next prime is 12694057. The reversal of 12694055 is 55049621.

It is a happy number.

It is not a de Polignac number, because 12694055 - 26 = 12693991 is a prime.

It is a super-2 number, since 2×126940552 = 322278064686050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12694057) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7421 + ... + 8969.

It is an arithmetic number, because the mean of its divisors is an integer number (1046250).

Almost surely, 212694055 is an apocalyptic number.

12694055 is a deficient number, since it is larger than the sum of its proper divisors (4045945).

12694055 is a wasteful number, since it uses less digits than its factorization.

12694055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 12694055 is about 3562.8717349913. The cubic root of 12694055 is about 233.2742446750.

The spelling of 12694055 in words is "twelve million, six hundred ninety-four thousand, fifty-five".

Divisors: 1 5 11 55 149 745 1549 1639 7745 8195 17039 85195 230801 1154005 2538811 12694055