12186073 has 2 divisors, whose sum is σ = 12186074. Its totient is φ = 12186072.

The previous prime is 12186047. The next prime is 12186077. The reversal of 12186073 is 37068121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8133904 + 4052169 = 2852^2 + 2013^2 .

It is an emirp because it is prime and its reverse (37068121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12186073 - 2¹³ = 12177881 is a prime.

It is a super-2 number, since 2×12186073² = 297000750322658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12186077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6093036 + 6093037.

It is an arithmetic number, because the mean of its divisors is an integer number (6093037).

Almost surely, 2^12186073 is an apocalyptic number.

It is an amenable number.

12186073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12186073 is an equidigital number, since it uses as much as digits as its factorization.

12186073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 12186073 is about 3490.8556257743. The cubic root of 12186073 is about 230.1201199898.

The spelling of 12186073 in words is "twelve million, one hundred eighty-six thousand, seventy-three".