12418829 has 2 divisors, whose sum is σ = 12418830. Its totient is φ = 12418828.

The previous prime is 12418811. The next prime is 12418831. The reversal of 12418829 is 92881421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 5396329 = 2650^2 + 2323^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12418829 is a prime.

Together with 12418831, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12418849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209414 + 6209415.

It is an arithmetic number, because the mean of its divisors is an integer number (6209415).

Almost surely, 2^12418829 is an apocalyptic number.

It is an amenable number.

12418829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418829 is an equidigital number, since it uses as much as digits as its factorization.

12418829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 35.

The square root of 12418829 is about 3524.0358965255. The cubic root of 12418829 is about 231.5760004981.

The spelling of 12418829 in words is "twelve million, four hundred eighteen thousand, eight hundred twenty-nine".