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12325 = 521729
BaseRepresentation
bin11000000100101
3121220111
43000211
5343300
6133021
750635
oct30045
917814
1012325
119295
127171
1357c1
1446c5
1539ba
hex3025

12325 has 12 divisors (see below), whose sum is σ = 16740. Its totient is φ = 8960.

The previous prime is 12323. The next prime is 12329. The reversal of 12325 is 52321.

12325 = 92 + 102 + ... + 332.

It can be written as a sum of positive squares in 6 ways, for example, as 4 + 12321 = 2^2 + 111^2 .

It is not a de Polignac number, because 12325 - 21 = 12323 is a prime.

It is an alternating number because its digits alternate between odd and even.

12325 is an undulating number in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411 + ... + 439.

It is an arithmetic number, because the mean of its divisors is an integer number (1395).

212325 is an apocalyptic number.

12325 is the 79-th centered square number.

It is an amenable number.

12325 is a deficient number, since it is larger than the sum of its proper divisors (4415).

12325 is a wasteful number, since it uses less digits than its factorization.

12325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 51 counting only the distinct ones).

The product of its digits is 60, while the sum is 13.

The square root of 12325 is about 111.0180165559. The cubic root of 12325 is about 23.0991310431.

Adding to 12325 its reverse (52321), we get a palindrome (64646).

The spelling of 12325 in words is "twelve thousand, three hundred twenty-five".

Divisors: 1 5 17 25 29 85 145 425 493 725 2465 12325