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11707639 is a prime number
BaseRepresentation
bin101100101010…
…010011110111
3211000210212021
4230222103313
510444121024
61054534011
7201341026
oct54522367
924023767
1011707639
116677139
123b07307
13256bbc8
1417aa8bd
151063de4
hexb2a4f7

11707639 has 2 divisors, whose sum is σ = 11707640. Its totient is φ = 11707638.

The previous prime is 11707627. The next prime is 11707649. The reversal of 11707639 is 93670711.

It is a happy number.

11707639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (93670711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11707639 - 27 = 11707511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11707649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5853819 + 5853820.

It is an arithmetic number, because the mean of its divisors is an integer number (5853820).

Almost surely, 211707639 is an apocalyptic number.

11707639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11707639 is an equidigital number, since it uses as much as digits as its factorization.

11707639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 11707639 is about 3421.6427341264. The cubic root of 11707639 is about 227.0682646418.

The spelling of 11707639 in words is "eleven million, seven hundred seven thousand, six hundred thirty-nine".