12479231 has 2 divisors, whose sum is σ = 12479232. Its totient is φ = 12479230.

The previous prime is 12479227. The next prime is 12479237. The reversal of 12479231 is 13297421.

12479231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12479231 - 2² = 12479227 is a prime.

It is a super-2 number, since 2×12479231² = 311462412702722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12479194 and 12479203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12479237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6239615 + 6239616.

It is an arithmetic number, because the mean of its divisors is an integer number (6239616).

Almost surely, 2^12479231 is an apocalyptic number.

12479231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12479231 is an equidigital number, since it uses as much as digits as its factorization.

12479231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 12479231 is about 3532.5955047245. The cubic root of 12479231 is about 231.9508355491.

The spelling of 12479231 in words is "twelve million, four hundred seventy-nine thousand, two hundred thirty-one".