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12741009 = 36169623
BaseRepresentation
bin110000100110…
…100110010001
3212222022101020
4300212212101
511230203014
61133030053
7213203541
oct60464621
925868336
1012741009
117212566
124325329
132841378
141999321
1511ba1a9
hexc26991

12741009 has 8 divisors (see below), whose sum is σ = 17266752. Its totient is φ = 8354640.

The previous prime is 12740999. The next prime is 12741013. The reversal of 12741009 is 90014721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12741009 - 24 = 12740993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12741009.

It is not an unprimeable number, because it can be changed into a prime (12741709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34629 + ... + 34994.

It is an arithmetic number, because the mean of its divisors is an integer number (2158344).

Almost surely, 212741009 is an apocalyptic number.

It is an amenable number.

12741009 is a deficient number, since it is larger than the sum of its proper divisors (4525743).

12741009 is an equidigital number, since it uses as much as digits as its factorization.

12741009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69687.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12741009 is about 3569.4550004167. The cubic root of 12741009 is about 233.5615099001.

The spelling of 12741009 in words is "twelve million, seven hundred forty-one thousand, nine".

Divisors: 1 3 61 183 69623 208869 4247003 12741009