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13305797 is a prime number
BaseRepresentation
bin110010110000…
…011111000101
3221001000010022
4302300133011
511401241142
61153104525
7221045261
oct62603705
927030108
1013305797
11756892a
124558145
1329ab46b
141aa50a1
15127c6d2
hexcb07c5

13305797 has 2 divisors, whose sum is σ = 13305798. Its totient is φ = 13305796.

The previous prime is 13305793. The next prime is 13305821. The reversal of 13305797 is 79750331.

13305797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10764961 + 2540836 = 3281^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 13305797 - 22 = 13305793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13305793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6652898 + 6652899.

It is an arithmetic number, because the mean of its divisors is an integer number (6652899).

Almost surely, 213305797 is an apocalyptic number.

It is an amenable number.

13305797 is a deficient number, since it is larger than the sum of its proper divisors (1).

13305797 is an equidigital number, since it uses as much as digits as its factorization.

13305797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 13305797 is about 3647.7112001912. The cubic root of 13305797 is about 236.9628681286.

The spelling of 13305797 in words is "thirteen million, three hundred five thousand, seven hundred ninety-seven".