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12757057 is a prime number
BaseRepresentation
bin110000101010…
…100001000001
3220000010101121
4300222201001
511231211212
61133232241
7213301405
oct60524101
926003347
1012757057
117223625
124332681
132848771
1419a1105
1511bed07
hexc2a841

12757057 has 2 divisors, whose sum is σ = 12757058. Its totient is φ = 12757056.

The previous prime is 12757051. The next prime is 12757079. The reversal of 12757057 is 75075721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12609601 + 147456 = 3551^2 + 384^2 .

It is a cyclic number.

It is not a de Polignac number, because 12757057 - 23 = 12757049 is a prime.

It is not a weakly prime, because it can be changed into another prime (12757051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6378528 + 6378529.

It is an arithmetic number, because the mean of its divisors is an integer number (6378529).

Almost surely, 212757057 is an apocalyptic number.

It is an amenable number.

12757057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12757057 is an equidigital number, since it uses as much as digits as its factorization.

12757057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17150, while the sum is 34.

The square root of 12757057 is about 3571.7022552279. The cubic root of 12757057 is about 233.6595299372.

The spelling of 12757057 in words is "twelve million, seven hundred fifty-seven thousand, fifty-seven".