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12325545 = 325273901
BaseRepresentation
bin101111000001…
…001010101001
3212012012110200
4233001022221
511123404140
61120102413
7206523351
oct57011251
925165420
1012325545
116a59401
124164a09
13272722b
1418cbb61
151137030
hexbc12a9

12325545 has 12 divisors (see below), whose sum is σ = 21364356. Its totient is φ = 6573600.

The previous prime is 12325519. The next prime is 12325549. The reversal of 12325545 is 54552321.

It is a happy number.

12325545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1671849 + 10653696 = 1293^2 + 3264^2 .

It is not a de Polignac number, because 12325545 - 213 = 12317353 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136906 + ... + 136995.

It is an arithmetic number, because the mean of its divisors is an integer number (1780363).

Almost surely, 212325545 is an apocalyptic number.

12325545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12325545 is a deficient number, since it is larger than the sum of its proper divisors (9038811).

12325545 is a wasteful number, since it uses less digits than its factorization.

12325545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273912 (or 273909 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 12325545 is about 3510.7755553439. The cubic root of 12325545 is about 230.9947151206.

Adding to 12325545 its reverse (54552321), we get a palindrome (66877866).

The spelling of 12325545 in words is "twelve million, three hundred twenty-five thousand, five hundred forty-five".

Divisors: 1 3 5 9 15 45 273901 821703 1369505 2465109 4108515 12325545