12302513 has 2 divisors, whose sum is σ = 12302514. Its totient is φ = 12302512.

The previous prime is 12302497. The next prime is 12302527. The reversal of 12302513 is 31520321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8025889 + 4276624 = 2833^2 + 2068^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302513 - 2⁴ = 12302497 is a prime.

It is a super-2 number, since 2×12302513² = 302703652230338, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12302491 and 12302500.

It is not a weakly prime, because it can be changed into another prime (12302533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6151256 + 6151257.

It is an arithmetic number, because the mean of its divisors is an integer number (6151257).

Almost surely, 2^12302513 is an apocalyptic number.

It is an amenable number.

12302513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12302513 is an equidigital number, since it uses as much as digits as its factorization.

12302513 is an evil number, because the sum of its binary digits is even.

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

The square root of 12302513 is about 3507.4938346346. The cubic root of 12302513 is about 230.8507434581.

Adding to 12302513 its reverse (31520321), we get a palindrome (43822834).

The spelling of 12302513 in words is "twelve million, three hundred two thousand, five hundred thirteen".