12270871 has 2 divisors, whose sum is σ = 12270872. Its totient is φ = 12270870.

The previous prime is 12270763. The next prime is 12270911. The reversal of 12270871 is 17807221.

12270871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12270871 - 2⁷ = 12270743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12270571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6135435 + 6135436.

It is an arithmetic number, because the mean of its divisors is an integer number (6135436).

Almost surely, 2^12270871 is an apocalyptic number.

12270871 is a deficient number, since it is larger than the sum of its proper divisors (1).

12270871 is an equidigital number, since it uses as much as digits as its factorization.

12270871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 28.

The square root of 12270871 is about 3502.9803025424. The cubic root of 12270871 is about 230.6526578953.

The spelling of 12270871 in words is "twelve million, two hundred seventy thousand, eight hundred seventy-one".