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12641325 = 352414111
BaseRepresentation
bin110000001110…
…010000101101
3212210020122020
4300032100231
511214010300
61130540353
7212310114
oct60162055
925706566
1012641325
117154684
1242976b9
132807b98
141970c7b
15119a8a0
hexc0e42d

12641325 has 24 divisors (see below), whose sum is σ = 21415296. Its totient is φ = 6576000.

The previous prime is 12641323. The next prime is 12641341. The reversal of 12641325 is 52314621.

It is not a de Polignac number, because 12641325 - 21 = 12641323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12641295 and 12641304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1020 + ... + 5130.

It is an arithmetic number, because the mean of its divisors is an integer number (892304).

Almost surely, 212641325 is an apocalyptic number.

12641325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12641325 is a deficient number, since it is larger than the sum of its proper divisors (8773971).

12641325 is a wasteful number, since it uses less digits than its factorization.

12641325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4165 (or 4160 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 12641325 is about 3555.4641047267. The cubic root of 12641325 is about 232.9507960963.

Adding to 12641325 its reverse (52314621), we get a palindrome (64955946).

The spelling of 12641325 in words is "twelve million, six hundred forty-one thousand, three hundred twenty-five".

Divisors: 1 3 5 15 25 41 75 123 205 615 1025 3075 4111 12333 20555 61665 102775 168551 308325 505653 842755 2528265 4213775 12641325