1234213 has 4 divisors (see below), whose sum is σ = 1254508. Its totient is φ = 1213920.

The previous prime is 1234187. The next prime is 1234231. The reversal of 1234213 is 3124321.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 277729 + 956484 = 527^2 + 978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234213 is a prime.

It is a Duffinian number.

1234213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234243) 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, 10056 + ... + 10177.

It is an arithmetic number, because the mean of its divisors is an integer number (313627).

2^1234213 is an apocalyptic number.

It is an amenable number.

1234213 is a deficient number, since it is larger than the sum of its proper divisors (20295).

1234213 is an equidigital number, since it uses as much as digits as its factorization.

1234213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20294.

The product of its digits is 144, while the sum is 16.

The square root of 1234213 is about 1110.9513940763. The cubic root of 1234213 is about 107.2663177031.

Adding to 1234213 its reverse (3124321), we get a palindrome (4358534).

It can be divided in two parts, 12 and 34213, that added together give a square (34225 = 185²).

The spelling of 1234213 in words is "one million, two hundred thirty-four thousand, two hundred thirteen".