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12552705 = 3351179107
BaseRepresentation
bin101111111000…
…101000000001
3212121202002000
4233320220001
511203141310
61125014213
7211460544
oct57705001
925552060
1012552705
1170a4040
124254369
1327a6749
14194a85b
15117e4c0
hexbf8a01

12552705 has 64 divisors (see below), whose sum is σ = 24883200. Its totient is φ = 5952960.

The previous prime is 12552697. The next prime is 12552719. The reversal of 12552705 is 50725521.

It is a happy number.

It is not a de Polignac number, because 12552705 - 23 = 12552697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 63 ways as a sum of consecutive naturals, for example, 117262 + ... + 117368.

It is an arithmetic number, because the mean of its divisors is an integer number (388800).

Almost surely, 212552705 is an apocalyptic number.

12552705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12552705 is a deficient number, since it is larger than the sum of its proper divisors (12330495).

12552705 is a wasteful number, since it uses less digits than its factorization.

12552705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 12552705 is about 3542.9796781805. The cubic root of 12552705 is about 232.4051642358.

The spelling of 12552705 in words is "twelve million, five hundred fifty-two thousand, seven hundred five".

Divisors: 1 3 5 9 11 15 27 33 45 55 79 99 107 135 165 237 297 321 395 495 535 711 869 963 1177 1185 1485 1605 2133 2607 2889 3531 3555 4345 4815 5885 7821 8453 10593 10665 13035 14445 17655 23463 25359 31779 39105 42265 52965 76077 92983 117315 126795 158895 228231 278949 380385 464915 836847 1141155 1394745 2510541 4184235 12552705