12248513 has 2 divisors, whose sum is σ = 12248514. Its totient is φ = 12248512.

The previous prime is 12248501. The next prime is 12248519. The reversal of 12248513 is 31584221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12166144 + 82369 = 3488^2 + 287^2 .

It is a cyclic number.

It is not a de Polignac number, because 12248513 - 2⁴ = 12248497 is a prime.

It is a super-2 number, since 2×12248513² = 300052141422338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12248519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6124256 + 6124257.

It is an arithmetic number, because the mean of its divisors is an integer number (6124257).

Almost surely, 2^12248513 is an apocalyptic number.

It is an amenable number.

12248513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12248513 is an equidigital number, since it uses as much as digits as its factorization.

12248513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 12248513 is about 3499.7875649816. The cubic root of 12248513 is about 230.5124867170.

The spelling of 12248513 in words is "twelve million, two hundred forty-eight thousand, five hundred thirteen".