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12734946 = 2327531907
BaseRepresentation
bin110000100101…
…000111100010
3212222000001200
4300211013202
511230004241
61132542030
7213150060
oct60450742
925860050
1012734946
117208a54
124321916
13283b693
141997030
1511b84b6
hexc251e2

12734946 has 48 divisors (see below), whose sum is σ = 32145984. Its totient is φ = 3568032.

The previous prime is 12734941. The next prime is 12734947. The reversal of 12734946 is 64943721.

It is a self number, because there is not a number n which added to its sum of digits gives 12734946.

It is not an unprimeable number, because it can be changed into a prime (12734941) 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, 5725 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (669708).

Almost surely, 212734946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12734946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16072992).

12734946 is an abundant number, since it is smaller than the sum of its proper divisors (19411038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12734946 is a wasteful number, since it uses less digits than its factorization.

12734946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975 (or 1972 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12734946 is about 3568.6056100387. The cubic root of 12734946 is about 233.5244561075.

The spelling of 12734946 in words is "twelve million, seven hundred thirty-four thousand, nine hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 53 63 106 126 159 318 371 477 742 954 1113 1907 2226 3339 3814 5721 6678 11442 13349 17163 26698 34326 40047 80094 101071 120141 202142 240282 303213 606426 707497 909639 1414994 1819278 2122491 4244982 6367473 12734946