12248491 has 2 divisors, whose sum is σ = 12248492. Its totient is φ = 12248490.

The previous prime is 12248477. The next prime is 12248497. The reversal of 12248491 is 19484221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12248491 - 2¹³ = 12240299 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12248497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6124245 + 6124246.

It is an arithmetic number, because the mean of its divisors is an integer number (6124246).

Almost surely, 2^12248491 is an apocalyptic number.

12248491 is a deficient number, since it is larger than the sum of its proper divisors (1).

12248491 is an equidigital number, since it uses as much as digits as its factorization.

12248491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 31.

The square root of 12248491 is about 3499.7844219323. The cubic root of 12248491 is about 230.5123487063.

It can be divided in two parts, 12 and 248491, that multiplied together give a palindrome (2981892).

The spelling of 12248491 in words is "twelve million, two hundred forty-eight thousand, four hundred ninety-one".