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12740588 = 227265003
BaseRepresentation
bin110000100110…
…011111101100
3212222021210122
4300212133230
511230144323
61133024112
7213202400
oct60463754
925867718
1012740588
117212213
124325038
132841113
141999100
1511b9ec8
hexc267ec

12740588 has 18 divisors (see below), whose sum is σ = 25936596. Its totient is φ = 5460168.

The previous prime is 12740587. The next prime is 12740591. The reversal of 12740588 is 88504721.

It is not an unprimeable number, because it can be changed into a prime (12740587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32306 + ... + 32697.

It is an arithmetic number, because the mean of its divisors is an integer number (1440922).

Almost surely, 212740588 is an apocalyptic number.

It is an amenable number.

12740588 is an abundant number, since it is smaller than the sum of its proper divisors (13196008).

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

12740588 is a wasteful number, since it uses less digits than its factorization.

12740588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65021 (or 65012 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 12740588 is about 3569.3960273413. The cubic root of 12740588 is about 233.5589373545.

The spelling of 12740588 in words is "twelve million, seven hundred forty thousand, five hundred eighty-eight".

Divisors: 1 2 4 7 14 28 49 98 196 65003 130006 260012 455021 910042 1820084 3185147 6370294 12740588