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12937877 is a prime number
BaseRepresentation
bin110001010110…
…101010010101
3220100022102122
4301112222111
511303003002
61141145325
7214653521
oct61265225
926308378
1012937877
117337467
1243bb245
1328acb64
141a0ad81
1512086a2
hexc56a95

12937877 has 2 divisors, whose sum is σ = 12937878. Its totient is φ = 12937876.

The previous prime is 12937861. The next prime is 12937913. The reversal of 12937877 is 77873921.

12937877 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11874916 + 1062961 = 3446^2 + 1031^2 .

It is a cyclic number.

It is not a de Polignac number, because 12937877 - 24 = 12937861 is a prime.

It is a super-2 number, since 2×129378772 = 334777322534258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12937817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468938 + 6468939.

It is an arithmetic number, because the mean of its divisors is an integer number (6468939).

Almost surely, 212937877 is an apocalyptic number.

It is an amenable number.

12937877 is a deficient number, since it is larger than the sum of its proper divisors (1).

12937877 is an equidigital number, since it uses as much as digits as its factorization.

12937877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148176, while the sum is 44.

The square root of 12937877 is about 3596.9260487255. The cubic root of 12937877 is about 234.7583270742.

It can be divided in two parts, 1293787 and 7, that multiplied together give a palindrome (9056509).

The spelling of 12937877 in words is "twelve million, nine hundred thirty-seven thousand, eight hundred seventy-seven".