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12325131 = 32713101149
BaseRepresentation
bin101111000001…
…000100001011
3212012011220100
4233001010023
511123401011
61120100443
7206522220
oct57010413
925164810
1012325131
116a59065
124164723
132726ca0
1418cb947
151136d56
hexbc110b

12325131 has 48 divisors (see below), whose sum is σ = 22276800. Its totient is φ = 6393600.

The previous prime is 12325127. The next prime is 12325141. The reversal of 12325131 is 13152321.

12325131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12325131 - 22 = 12325127 is a prime.

It is a super-2 number, since 2×123251312 = 303817708334322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 82645 + ... + 82793.

It is an arithmetic number, because the mean of its divisors is an integer number (464100).

Almost surely, 212325131 is an apocalyptic number.

12325131 is a deficient number, since it is larger than the sum of its proper divisors (9951669).

12325131 is a wasteful number, since it uses less digits than its factorization.

12325131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 273 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 12325131 is about 3510.7165935176. The cubic root of 12325131 is about 230.9921288148.

Adding to 12325131 its reverse (13152321), we get a palindrome (25477452).

The spelling of 12325131 in words is "twelve million, three hundred twenty-five thousand, one hundred thirty-one".

Divisors: 1 3 7 9 13 21 39 63 91 101 117 149 273 303 447 707 819 909 1043 1313 1341 1937 2121 3129 3939 5811 6363 9191 9387 11817 13559 15049 17433 27573 40677 45147 82719 105343 122031 135441 195637 316029 586911 948087 1369459 1760733 4108377 12325131