12248569 has 2 divisors, whose sum is σ = 12248570. Its totient is φ = 12248568.

The previous prime is 12248567. The next prime is 12248609. The reversal of 12248569 is 96584221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11812969 + 435600 = 3437^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 12248569 - 2¹ = 12248567 is a prime.

It is a super-2 number, since 2×12248569² = 300054885095522, which contains 22 as substring.

Together with 12248567, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12248567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6124284 + 6124285.

It is an arithmetic number, because the mean of its divisors is an integer number (6124285).

Almost surely, 2^12248569 is an apocalyptic number.

It is an amenable number.

12248569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12248569 is an equidigital number, since it uses as much as digits as its factorization.

12248569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 37.

The square root of 12248569 is about 3499.7955654581. The cubic root of 12248569 is about 230.5128380162.

The spelling of 12248569 in words is "twelve million, two hundred forty-eight thousand, five hundred sixty-nine".