12345371 has 2 divisors, whose sum is σ = 12345372. Its totient is φ = 12345370.

The previous prime is 12345367. The next prime is 12345373. The reversal of 12345371 is 17354321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12345371 - 2² = 12345367 is a prime.

Together with 12345373, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12345371.

It is not a weakly prime, because it can be changed into another prime (12345373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172685 + 6172686.

It is an arithmetic number, because the mean of its divisors is an integer number (6172686).

Almost surely, 2^12345371 is an apocalyptic number.

12345371 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345371 is an equidigital number, since it uses as much as digits as its factorization.

12345371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 12345371 is about 3513.5980134330. The cubic root of 12345371 is about 231.1185026931.

Adding to 12345371 its reverse (17354321), we get a palindrome (29699692).

The spelling of 12345371 in words is "twelve million, three hundred forty-five thousand, three hundred seventy-one".