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12742125 = 353113089
BaseRepresentation
bin110000100110…
…110111101101
3212222100220120
4300212313231
511230222000
61133035153
7213210024
oct60466755
925870816
1012742125
117213390
124325ab9
132841a26
1419998bb
1511ba6a0
hexc26ded

12742125 has 32 divisors (see below), whose sum is σ = 23137920. Its totient is φ = 6176000.

The previous prime is 12742117. The next prime is 12742133. The reversal of 12742125 is 52124721.

It is an interprime number because it is at equal distance from previous prime (12742117) and next prime (12742133).

It is not a de Polignac number, because 12742125 - 23 = 12742117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12742095 and 12742104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2581 + ... + 5669.

It is an arithmetic number, because the mean of its divisors is an integer number (723060).

Almost surely, 212742125 is an apocalyptic number.

12742125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12742125 is a deficient number, since it is larger than the sum of its proper divisors (10395795).

12742125 is a wasteful number, since it uses less digits than its factorization.

12742125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3118 (or 3108 counting only the distinct ones).

The product of its digits is 1120, while the sum is 24.

The square root of 12742125 is about 3569.6113233796. The cubic root of 12742125 is about 233.5683290103.

Adding to 12742125 its reverse (52124721), we get a palindrome (64866846).

The spelling of 12742125 in words is "twelve million, seven hundred forty-two thousand, one hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 125 165 275 375 825 1375 3089 4125 9267 15445 33979 46335 77225 101937 169895 231675 386125 509685 849475 1158375 2548425 4247375 12742125