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12757877 = 112105437
BaseRepresentation
bin110000101010…
…101101110101
3220000011111222
4300222231311
511231223002
61133240125
7213303656
oct60525565
926004458
1012757877
117224200
124333045
132848c52
1419a152d
1511c01a2
hexc2ab75

12757877 has 6 divisors (see below), whose sum is σ = 14023254. Its totient is φ = 11597960.

The previous prime is 12757861. The next prime is 12757891. The reversal of 12757877 is 77875721.

12757877 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7623121 + 5134756 = 2761^2 + 2266^2 .

It is not a de Polignac number, because 12757877 - 24 = 12757861 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12757807) 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 in 5 ways as a sum of consecutive naturals, for example, 52598 + ... + 52839.

It is an arithmetic number, because the mean of its divisors is an integer number (2337209).

Almost surely, 212757877 is an apocalyptic number.

It is an amenable number.

12757877 is a deficient number, since it is larger than the sum of its proper divisors (1265377).

12757877 is a wasteful number, since it uses less digits than its factorization.

12757877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105459 (or 105448 counting only the distinct ones).

The product of its digits is 192080, while the sum is 44.

The square root of 12757877 is about 3571.8170445867. The cubic root of 12757877 is about 233.6645362306.

The spelling of 12757877 in words is "twelve million, seven hundred fifty-seven thousand, eight hundred seventy-seven".

Divisors: 1 11 121 105437 1159807 12757877