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13067705 = 57373363
BaseRepresentation
bin110001110110…
…010110111001
3220120220112002
4301312112321
511321131310
61144030345
7216034160
oct61662671
926526462
1013067705
117415a62
1244623b5
132926c91
141a423d7
151231da5
hexc765b9

13067705 has 8 divisors (see below), whose sum is σ = 17921472. Its totient is φ = 8960688.

The previous prime is 13067701. The next prime is 13067711. The reversal of 13067705 is 50776031.

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

It is a cyclic number.

It is not a de Polignac number, because 13067705 - 22 = 13067701 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13067701) 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, 186647 + ... + 186716.

It is an arithmetic number, because the mean of its divisors is an integer number (2240184).

Almost surely, 213067705 is an apocalyptic number.

It is an amenable number.

13067705 is a deficient number, since it is larger than the sum of its proper divisors (4853767).

13067705 is an equidigital number, since it uses as much as digits as its factorization.

13067705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373375.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 13067705 is about 3614.9280767396. The cubic root of 13067705 is about 235.5409599045.

The spelling of 13067705 in words is "thirteen million, sixty-seven thousand, seven hundred five".

Divisors: 1 5 7 35 373363 1866815 2613541 13067705