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12655055 = 571721269
BaseRepresentation
bin110000010001…
…100111001111
3212210221110202
4300101213033
511214430210
61131124115
7212365130
oct60214717
925727422
1012655055
117163a26
1242a363b
1328111ca
141975c87
15119e9a5
hexc119cf

12655055 has 16 divisors (see below), whose sum is σ = 18377280. Its totient is φ = 8166912.

The previous prime is 12655051. The next prime is 12655063. The reversal of 12655055 is 55055621.

12655055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12655055 - 22 = 12655051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12655051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10040 + ... + 11229.

It is an arithmetic number, because the mean of its divisors is an integer number (1148580).

Almost surely, 212655055 is an apocalyptic number.

12655055 is a deficient number, since it is larger than the sum of its proper divisors (5722225).

12655055 is a wasteful number, since it uses less digits than its factorization.

12655055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21298.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 12655055 is about 3557.3944116446. The cubic root of 12655055 is about 233.0351031125.

The spelling of 12655055 in words is "twelve million, six hundred fifty-five thousand, fifty-five".

Divisors: 1 5 7 17 35 85 119 595 21269 106345 148883 361573 744415 1807865 2531011 12655055