12022979 has 2 divisors, whose sum is σ = 12022980. Its totient is φ = 12022978.

The previous prime is 12022973. The next prime is 12023003. The reversal of 12022979 is 97922021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12022979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12022973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011489 + 6011490.

It is an arithmetic number, because the mean of its divisors is an integer number (6011490).

Almost surely, 2^12022979 is an apocalyptic number.

12022979 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022979 is an equidigital number, since it uses as much as digits as its factorization.

12022979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12022979 is about 3467.4167617983. The cubic root of 12022979 is about 229.0888908228.

The spelling of 12022979 in words is "twelve million, twenty-two thousand, nine hundred seventy-nine".