12213079 has 2 divisors, whose sum is σ = 12213080. Its totient is φ = 12213078.

The previous prime is 12213077. The next prime is 12213109. The reversal of 12213079 is 97031221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12213079 - 2¹ = 12213077 is a prime.

Together with 12213077, 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 (12213073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106539 + 6106540.

It is an arithmetic number, because the mean of its divisors is an integer number (6106540).

Almost surely, 2^12213079 is an apocalyptic number.

12213079 is a deficient number, since it is larger than the sum of its proper divisors (1).

12213079 is an equidigital number, since it uses as much as digits as its factorization.

12213079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12213079 is about 3494.7215912001. The cubic root of 12213079 is about 230.2899870938.

The spelling of 12213079 in words is "twelve million, two hundred thirteen thousand, seventy-nine".