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13066743 = 34355581
BaseRepresentation
bin110001110110…
…000111110111
3220120212012110
4301312013313
511321113433
61144022103
7216031314
oct61660767
926525173
1013066743
117415268
124461933
132926701
141a41d0b
151231963
hexc761f7

13066743 has 4 divisors (see below), whose sum is σ = 17422328. Its totient is φ = 8711160.

The previous prime is 13066723. The next prime is 13066751. The reversal of 13066743 is 34766031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13066743 - 218 = 12804599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13066743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13066723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2177788 + ... + 2177793.

It is an arithmetic number, because the mean of its divisors is an integer number (4355582).

Almost surely, 213066743 is an apocalyptic number.

13066743 is a deficient number, since it is larger than the sum of its proper divisors (4355585).

13066743 is an equidigital number, since it uses as much as digits as its factorization.

13066743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355584.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 13066743 is about 3614.7950149351. The cubic root of 13066743 is about 235.5351798545.

The spelling of 13066743 in words is "thirteen million, sixty-six thousand, seven hundred forty-three".

Divisors: 1 3 4355581 13066743