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12325143 = 321119471
BaseRepresentation
bin101111000001…
…000100010111
3212012011220210
4233001010113
511123401033
61120100503
7206522235
oct57010427
925164823
1012325143
116a59076
124164733
132726cac
1418cb955
151136d63
hexbc1117

12325143 has 8 divisors (see below), whose sum is σ = 16512256. Its totient is φ = 8177400.

The previous prime is 12325141. The next prime is 12325147. The reversal of 12325143 is 34152321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12325143 - 21 = 12325141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325141) 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 7 ways as a sum of consecutive naturals, for example, 9103 + ... + 10368.

It is an arithmetic number, because the mean of its divisors is an integer number (2064032).

Almost surely, 212325143 is an apocalyptic number.

12325143 is a deficient number, since it is larger than the sum of its proper divisors (4187113).

12325143 is a wasteful number, since it uses less digits than its factorization.

12325143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19685.

The product of its digits is 720, while the sum is 21.

The square root of 12325143 is about 3510.7183025700. The cubic root of 12325143 is about 230.9922037810.

Adding to 12325143 its reverse (34152321), we get a palindrome (46477464).

The spelling of 12325143 in words is "twelve million, three hundred twenty-five thousand, one hundred forty-three".

Divisors: 1 3 211 633 19471 58413 4108381 12325143