12065477 has 2 divisors, whose sum is σ = 12065478. Its totient is φ = 12065476.

The previous prime is 12065429. The next prime is 12065489. The reversal of 12065477 is 77456021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8375236 + 3690241 = 2894^2 + 1921^2 .

It is an emirp because it is prime and its reverse (77456021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12065477 - 2¹⁶ = 11999941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12035477) 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, 6032738 + 6032739.

It is an arithmetic number, because the mean of its divisors is an integer number (6032739).

Almost surely, 2^12065477 is an apocalyptic number.

It is an amenable number.

12065477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12065477 is an equidigital number, since it uses as much as digits as its factorization.

12065477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 12065477 is about 3473.5395492207. The cubic root of 12065477 is about 229.3584959677.

The spelling of 12065477 in words is "twelve million, sixty-five thousand, four hundred seventy-seven".