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12734874 = 2331132087
BaseRepresentation
bin110000100101…
…000110011010
3212221222222000
4300211012122
511230003444
61132541430
7213146625
oct60450632
925858860
1012734874
117208999
124321876
13283b639
141996dbc
1511b8469
hexc2519a

12734874 has 32 divisors (see below), whose sum is σ = 28563840. Its totient is φ = 4205376.

The previous prime is 12734873. The next prime is 12734929. The reversal of 12734874 is 47843721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12734873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5059 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (892620).

Almost surely, 212734874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12734874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14281920).

12734874 is an abundant number, since it is smaller than the sum of its proper divisors (15828966).

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

12734874 is a wasteful number, since it uses less digits than its factorization.

12734874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2205 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 12734874 is about 3568.5955220507. The cubic root of 12734874 is about 233.5240160116.

The spelling of 12734874 in words is "twelve million, seven hundred thirty-four thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 9 18 27 54 113 226 339 678 1017 2034 2087 3051 4174 6102 6261 12522 18783 37566 56349 112698 235831 471662 707493 1414986 2122479 4244958 6367437 12734874