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13057771 is a prime number
BaseRepresentation
bin110001110011…
…111011101011
3220120101220011
4301303323223
511320322041
61143512351
7215663206
oct61637353
926511804
1013057771
117409551
1244586b7
1329225bc
141a3c93d
15122de81
hexc73eeb

13057771 has 2 divisors, whose sum is σ = 13057772. Its totient is φ = 13057770.

The previous prime is 13057753. The next prime is 13057777. The reversal of 13057771 is 17775031.

13057771 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 a cyclic number.

It is not a de Polignac number, because 13057771 - 217 = 12926699 is a prime.

It is not a weakly prime, because it can be changed into another prime (13057777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6528885 + 6528886.

It is an arithmetic number, because the mean of its divisors is an integer number (6528886).

Almost surely, 213057771 is an apocalyptic number.

13057771 is a deficient number, since it is larger than the sum of its proper divisors (1).

13057771 is an equidigital number, since it uses as much as digits as its factorization.

13057771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5145, while the sum is 31.

The square root of 13057771 is about 3613.5537909377. The cubic root of 13057771 is about 235.4812591112.

The spelling of 13057771 in words is "thirteen million, fifty-seven thousand, seven hundred seventy-one".