12618343 has 2 divisors, whose sum is σ = 12618344. Its totient is φ = 12618342.

The previous prime is 12618341. The next prime is 12618367. The reversal of 12618343 is 34381621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12618343 - 2¹ = 12618341 is a prime.

Together with 12618341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12618341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6309171 + 6309172.

It is an arithmetic number, because the mean of its divisors is an integer number (6309172).

Almost surely, 2^12618343 is an apocalyptic number.

12618343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12618343 is an equidigital number, since it uses as much as digits as its factorization.

12618343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 12618343 is about 3552.2307075977. The cubic root of 12618343 is about 232.8095418419.

Adding to 12618343 its reverse (34381621), we get a palindrome (46999964).

It can be divided in two parts, 1261 and 8343, that added together give a square (9604 = 98²).

The spelling of 12618343 in words is "twelve million, six hundred eighteen thousand, three hundred forty-three".