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13786057 is a prime number
BaseRepresentation
bin110100100101…
…101111001001
3221221101220201
4310211233021
512012123212
61211252201
7225115405
oct64455711
927841821
1013786057
11786673a
12474a061
132b18c3c
141b8c105
151324b57
hexd25bc9

13786057 has 2 divisors, whose sum is σ = 13786058. Its totient is φ = 13786056.

The previous prime is 13786037. The next prime is 13786063. The reversal of 13786057 is 75068731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9308601 + 4477456 = 3051^2 + 2116^2 .

It is a cyclic number.

It is not a de Polignac number, because 13786057 - 211 = 13784009 is a prime.

It is not a weakly prime, because it can be changed into another prime (13786007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6893028 + 6893029.

It is an arithmetic number, because the mean of its divisors is an integer number (6893029).

Almost surely, 213786057 is an apocalyptic number.

It is an amenable number.

13786057 is a deficient number, since it is larger than the sum of its proper divisors (1).

13786057 is an equidigital number, since it uses as much as digits as its factorization.

13786057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 13786057 is about 3712.9579852188. The cubic root of 13786057 is about 239.7802212539.

The spelling of 13786057 in words is "thirteen million, seven hundred eighty-six thousand, fifty-seven".