12216359 has 2 divisors, whose sum is σ = 12216360. Its totient is φ = 12216358.

The previous prime is 12216349. The next prime is 12216377. The reversal of 12216359 is 95361221.

12216359 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12216359 - 2⁸ = 12216103 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12216349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6108179 + 6108180.

It is an arithmetic number, because the mean of its divisors is an integer number (6108180).

Almost surely, 2^12216359 is an apocalyptic number.

12216359 is a deficient number, since it is larger than the sum of its proper divisors (1).

12216359 is an equidigital number, since it uses as much as digits as its factorization.

12216359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 12216359 is about 3495.1908388527. The cubic root of 12216359 is about 230.3106011570.

The spelling of 12216359 in words is "twelve million, two hundred sixteen thousand, three hundred fifty-nine".