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12295205 = 513435383
BaseRepresentation
bin101110111001…
…110000100101
3212010122211222
4232321300211
511121421310
61115310125
7206336036
oct56716045
925118758
1012295205
116a3862a
12414b345
132716490
1418c0a8d
15112d055
hexbb9c25

12295205 has 32 divisors (see below), whose sum is σ = 16765056. Its totient is φ = 8596224.

The previous prime is 12295201. The next prime is 12295219. The reversal of 12295205 is 50259221.

It is not a de Polignac number, because 12295205 - 22 = 12295201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12295201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148094 + ... + 148176.

It is an arithmetic number, because the mean of its divisors is an integer number (523908).

Almost surely, 212295205 is an apocalyptic number.

It is an amenable number.

12295205 is a deficient number, since it is larger than the sum of its proper divisors (4469851).

12295205 is a wasteful number, since it uses less digits than its factorization.

12295205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 12295205 is about 3506.4519104074. The cubic root of 12295205 is about 230.8050240349.

The spelling of 12295205 in words is "twelve million, two hundred ninety-five thousand, two hundred five".

Divisors: 1 5 13 43 53 65 83 215 265 415 559 689 1079 2279 2795 3445 3569 4399 5395 11395 17845 21995 29627 46397 57187 148135 189157 231985 285935 945785 2459041 12295205