12081343 has 2 divisors, whose sum is σ = 12081344. Its totient is φ = 12081342.

The previous prime is 12081331. The next prime is 12081389. The reversal of 12081343 is 34318021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12081343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12081143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6040671 + 6040672.

It is an arithmetic number, because the mean of its divisors is an integer number (6040672).

Almost surely, 2^12081343 is an apocalyptic number.

12081343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12081343 is an equidigital number, since it uses as much as digits as its factorization.

12081343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12081343 is about 3475.8226364416. The cubic root of 12081343 is about 229.4589867585.

Adding to 12081343 its reverse (34318021), we get a palindrome (46399364).

The spelling of 12081343 in words is "twelve million, eighty-one thousand, three hundred forty-three".