12210727 has 2 divisors, whose sum is σ = 12210728. Its totient is φ = 12210726.

The previous prime is 12210721. The next prime is 12210739. The reversal of 12210727 is 72701221.

12210727 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 an emirp because it is prime and its reverse (72701221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12210727 - 2⁷ = 12210599 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12210698 and 12210707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105363 + 6105364.

It is an arithmetic number, because the mean of its divisors is an integer number (6105364).

Almost surely, 2^12210727 is an apocalyptic number.

12210727 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210727 is an equidigital number, since it uses as much as digits as its factorization.

12210727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12210727 is about 3494.3850675047. The cubic root of 12210727 is about 230.2752030298.

Adding to 12210727 its reverse (72701221), we get a palindrome (84911948).

The spelling of 12210727 in words is "twelve million, two hundred ten thousand, seven hundred twenty-seven".