12270711 has 4 divisors (see below), whose sum is σ = 16360952. Its totient is φ = 8180472.

The previous prime is 12270703. The next prime is 12270733. The reversal of 12270711 is 11707221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12270711 - 2³ = 12270703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12270701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045116 + ... + 2045121.

It is an arithmetic number, because the mean of its divisors is an integer number (4090238).

Almost surely, 2^12270711 is an apocalyptic number.

12270711 is a deficient number, since it is larger than the sum of its proper divisors (4090241).

12270711 is an equidigital number, since it uses as much as digits as its factorization.

12270711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090240.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 12270711 is about 3502.9574647717. The cubic root of 12270711 is about 230.6516553969.

Adding to 12270711 its reverse (11707221), we get a palindrome (23977932).

The spelling of 12270711 in words is "twelve million, two hundred seventy thousand, seven hundred eleven".