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12000925 = 522916553
BaseRepresentation
bin101101110001…
…111010011101
3211120201011201
4231301322131
511033012200
61105115501
7204002056
oct55617235
924521151
1012000925
116857522
124028b91
132642551
14184572d
1510c0c6a
hexb71e9d

12000925 has 12 divisors (see below), whose sum is σ = 15395220. Its totient is φ = 9269120.

The previous prime is 12000899. The next prime is 12000931. The reversal of 12000925 is 52900021.

It can be written as a sum of positive squares in 6 ways, for example, as 311364 + 11689561 = 558^2 + 3419^2 .

It is not a de Polignac number, because 12000925 - 27 = 12000797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7552 + ... + 9001.

It is an arithmetic number, because the mean of its divisors is an integer number (1282935).

Almost surely, 212000925 is an apocalyptic number.

It is an amenable number.

12000925 is a deficient number, since it is larger than the sum of its proper divisors (3394295).

12000925 is a wasteful number, since it uses less digits than its factorization.

12000925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16592 (or 16587 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12000925 is about 3464.2351248147. The cubic root of 12000925 is about 228.9487309188.

Adding to 12000925 its reverse (52900021), we get a palindrome (64900946).

The spelling of 12000925 in words is "twelve million, nine hundred twenty-five", and thus it is an aban number.

Divisors: 1 5 25 29 145 725 16553 82765 413825 480037 2400185 12000925