Search a number
-
+
12926293 is a prime number
BaseRepresentation
bin110001010011…
…110101010101
3220022201112121
4301103311111
511302120133
61141015541
7214604662
oct61236525
926281477
1012926293
117329796
1243b45b1
1328a77c3
141a06a69
15120502d
hexc53d55

12926293 has 2 divisors, whose sum is σ = 12926294. Its totient is φ = 12926292.

The previous prime is 12926279. The next prime is 12926321. The reversal of 12926293 is 39262921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11881809 + 1044484 = 3447^2 + 1022^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12926293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12926203) 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 as a sum of consecutive naturals, namely, 6463146 + 6463147.

It is an arithmetic number, because the mean of its divisors is an integer number (6463147).

Almost surely, 212926293 is an apocalyptic number.

It is an amenable number.

12926293 is a deficient number, since it is larger than the sum of its proper divisors (1).

12926293 is an equidigital number, since it uses as much as digits as its factorization.

12926293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 12926293 is about 3595.3154242709. The cubic root of 12926293 is about 234.6882420959.

The spelling of 12926293 in words is "twelve million, nine hundred twenty-six thousand, two hundred ninety-three".