12235247 has 2 divisors, whose sum is σ = 12235248. Its totient is φ = 12235246.

The previous prime is 12235231. The next prime is 12235253. The reversal of 12235247 is 74253221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12235247 - 2⁴ = 12235231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12235277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6117623 + 6117624.

It is an arithmetic number, because the mean of its divisors is an integer number (6117624).

Almost surely, 2^12235247 is an apocalyptic number.

12235247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12235247 is an equidigital number, since it uses as much as digits as its factorization.

12235247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 26.

The square root of 12235247 is about 3497.8917936380. The cubic root of 12235247 is about 230.4292362490.

Adding to 12235247 its reverse (74253221), we get a palindrome (86488468).

The spelling of 12235247 in words is "twelve million, two hundred thirty-five thousand, two hundred forty-seven".