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13077217 is a prime number
BaseRepresentation
bin110001111000…
…101011100001
3220121101120101
4301320223201
511321432332
61144142401
7216103666
oct61705341
926541511
1013077217
11742211a
124467a01
13292b3ca
141a45a6d
151234ae7
hexc78ae1

13077217 has 2 divisors, whose sum is σ = 13077218. Its totient is φ = 13077216.

The previous prime is 13077209. The next prime is 13077221. The reversal of 13077217 is 71277031.

13077217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 938961 = 3484^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 13077217 - 23 = 13077209 is a prime.

It is a super-3 number, since 3×130772173 (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13077227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6538608 + 6538609.

It is an arithmetic number, because the mean of its divisors is an integer number (6538609).

Almost surely, 213077217 is an apocalyptic number.

It is an amenable number.

13077217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13077217 is an equidigital number, since it uses as much as digits as its factorization.

13077217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2058, while the sum is 28.

The square root of 13077217 is about 3616.2434929081. The cubic root of 13077217 is about 235.5980962371.

The spelling of 13077217 in words is "thirteen million, seventy-seven thousand, two hundred seventeen".