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12625025 = 527193797
BaseRepresentation
bin110000001010…
…010010000001
3212202102021112
4300022102001
511213000100
61130333105
7212211440
oct60122201
925672245
1012625025
117143406
12428a195
13280063a
141968d57
151195b35
hexc0a481

12625025 has 24 divisors (see below), whose sum is σ = 18838080. Its totient is φ = 8199360.

The previous prime is 12624991. The next prime is 12625027. The reversal of 12625025 is 52052621.

It is not a de Polignac number, because 12625025 - 218 = 12362881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12625027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1427 + ... + 5223.

It is an arithmetic number, because the mean of its divisors is an integer number (784920).

Almost surely, 212625025 is an apocalyptic number.

It is an amenable number.

12625025 is a deficient number, since it is larger than the sum of its proper divisors (6213055).

12625025 is a wasteful number, since it uses less digits than its factorization.

12625025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3833 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12625025 is about 3553.1711188740. The cubic root of 12625025 is about 232.8506290868.

Adding to 12625025 its reverse (52052621), we get a palindrome (64677646).

The spelling of 12625025 in words is "twelve million, six hundred twenty-five thousand, twenty-five".

Divisors: 1 5 7 19 25 35 95 133 175 475 665 3325 3797 18985 26579 72143 94925 132895 360715 505001 664475 1803575 2525005 12625025