12022691 has 2 divisors, whose sum is σ = 12022692. Its totient is φ = 12022690.

The previous prime is 12022663. The next prime is 12022693. The reversal of 12022691 is 19622021.

It is a strong prime.

It is an emirp because it is prime and its reverse (19622021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12022691 - 2¹⁴ = 12006307 is a prime.

Together with 12022693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12022693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011345 + 6011346.

It is an arithmetic number, because the mean of its divisors is an integer number (6011346).

Almost surely, 2^12022691 is an apocalyptic number.

12022691 is a deficient number, since it is larger than the sum of its proper divisors (1).

12022691 is an equidigital number, since it uses as much as digits as its factorization.

12022691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 12022691 is about 3467.3752320740. The cubic root of 12022691 is about 229.0870615998.

The spelling of 12022691 in words is "twelve million, twenty-two thousand, six hundred ninety-one".