Search a number
-
+
12696071 is a prime number
BaseRepresentation
bin110000011011…
…101000000111
3212220000201212
4300123220013
511222233241
61132042035
7212625533
oct60335007
925800655
1012696071
117191823
12430331b
132826a8b
141986bc3
1511abbeb
hexc1ba07

12696071 has 2 divisors, whose sum is σ = 12696072. Its totient is φ = 12696070.

The previous prime is 12696053. The next prime is 12696077. The reversal of 12696071 is 17069621.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (17069621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12696071 - 214 = 12679687 is a prime.

It is a super-2 number, since 2×126960712 = 322380437674082, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12696077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348035 + 6348036.

It is an arithmetic number, because the mean of its divisors is an integer number (6348036).

Almost surely, 212696071 is an apocalyptic number.

12696071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12696071 is an equidigital number, since it uses as much as digits as its factorization.

12696071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12696071 is about 3563.1546416062. The cubic root of 12696071 is about 233.2865931322.

The spelling of 12696071 in words is "twelve million, six hundred ninety-six thousand, seventy-one".