427212 has 18 divisors (see below), whose sum is σ = 1079988. Its totient is φ = 142392.

The previous prime is 427181. The next prime is 427213. The reversal of 427212 is 212724.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (427213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5898 + ... + 5969.

2⁴²⁷²¹² is an apocalyptic number.

It is an amenable number.

427212 is an abundant number, since it is smaller than the sum of its proper divisors (652776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427212 is a wasteful number, since it uses less digits than its factorization.

427212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11877 (or 11872 counting only the distinct ones).

The product of its digits is 224, while the sum is 18.

The square root of 427212 is about 653.6145653212. The cubic root of 427212 is about 75.3149423001.

Adding to 427212 its reverse (212724), we get a palindrome (639936).

The spelling of 427212 in words is "four hundred twenty-seven thousand, two hundred twelve", and thus it is an iban number.