12230513 has 2 divisors, whose sum is σ = 12230514. Its totient is φ = 12230512.

The previous prime is 12230467. The next prime is 12230521. The reversal of 12230513 is 31503221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11992369 + 238144 = 3463^2 + 488^2 .

It is a cyclic number.

It is not a de Polignac number, because 12230513 - 2²² = 8036209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12230491 and 12230500.

It is not a weakly prime, because it can be changed into another prime (12830513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115256 + 6115257.

It is an arithmetic number, because the mean of its divisors is an integer number (6115257).

Almost surely, 2^12230513 is an apocalyptic number.

It is an amenable number.

12230513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230513 is an equidigital number, since it uses as much as digits as its factorization.

12230513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 12230513 is about 3497.2150348527. The cubic root of 12230513 is about 230.3995135764.

Adding to 12230513 its reverse (31503221), we get a palindrome (43733734).

The spelling of 12230513 in words is "twelve million, two hundred thirty thousand, five hundred thirteen".