12426347 has 2 divisors, whose sum is σ = 12426348. Its totient is φ = 12426346.

The previous prime is 12426343. The next prime is 12426353. The reversal of 12426347 is 74362421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12426347 - 2² = 12426343 is a prime.

It is not a weakly prime, because it can be changed into another prime (12426341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6213173 + 6213174.

It is an arithmetic number, because the mean of its divisors is an integer number (6213174).

Almost surely, 2^12426347 is an apocalyptic number.

12426347 is a deficient number, since it is larger than the sum of its proper divisors (1).

12426347 is an equidigital number, since it uses as much as digits as its factorization.

12426347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 29.

The square root of 12426347 is about 3525.1024098599. The cubic root of 12426347 is about 231.6227208766.

Adding to 12426347 its reverse (74362421), we get a palindrome (86788768).

The spelling of 12426347 in words is "twelve million, four hundred twenty-six thousand, three hundred forty-seven".