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12700125 = 33535371
BaseRepresentation
bin110000011100…
…100111011101
3212220020022000
4300130213131
511222401000
61132112513
7212643414
oct60344735
925806260
1012700125
117194879
124305739
132828889
14198847b
1511ad000
hexc1c9dd

12700125 has 64 divisors (see below), whose sum is σ = 24261120. Its totient is φ = 6552000.

The previous prime is 12700123. The next prime is 12700141. The reversal of 12700125 is 52100721.

It is not a de Polignac number, because 12700125 - 21 = 12700123 is a prime.

It is a super-2 number, since 2×127001252 = 322586350031250, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12700098 and 12700107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700123) 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 63 ways as a sum of consecutive naturals, for example, 178840 + ... + 178910.

It is an arithmetic number, because the mean of its divisors is an integer number (379080).

Almost surely, 212700125 is an apocalyptic number.

12700125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12700125 is a deficient number, since it is larger than the sum of its proper divisors (11560995).

12700125 is an equidigital number, since it uses as much as digits as its factorization.

12700125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 12700125 is about 3563.7234741209. The cubic root of 12700125 is about 233.3114208447.

Adding to 12700125 its reverse (52100721), we get a palindrome (64800846).

The spelling of 12700125 in words is "twelve million, seven hundred thousand, one hundred twenty-five".

Divisors: 1 3 5 9 15 25 27 45 53 71 75 125 135 159 213 225 265 355 375 477 639 675 795 1065 1125 1325 1431 1775 1917 2385 3195 3375 3763 3975 5325 6625 7155 8875 9585 11289 11925 15975 18815 19875 26625 33867 35775 47925 56445 59625 79875 94075 101601 169335 178875 239625 282225 470375 508005 846675 1411125 2540025 4233375 12700125