12427073 has 2 divisors, whose sum is σ = 12427074. Its totient is φ = 12427072.

The previous prime is 12427057. The next prime is 12427081. The reversal of 12427073 is 37072421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8862529 + 3564544 = 2977^2 + 1888^2 .

It is an emirp because it is prime and its reverse (37072421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12427073 - 2⁴ = 12427057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12427873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213536 + 6213537.

It is an arithmetic number, because the mean of its divisors is an integer number (6213537).

Almost surely, 2^12427073 is an apocalyptic number.

It is an amenable number.

12427073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12427073 is an equidigital number, since it uses as much as digits as its factorization.

12427073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 12427073 is about 3525.2053840876. The cubic root of 12427073 is about 231.6272315833.

Adding to 12427073 its reverse (37072421), we get a palindrome (49499494).

The spelling of 12427073 in words is "twelve million, four hundred twenty-seven thousand, seventy-three".