1320213 has 8 divisors (see below), whose sum is σ = 1772128. Its totient is φ = 874224.

The previous prime is 1320211. The next prime is 1320247. The reversal of 1320213 is 3120231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1320213 - 2¹ = 1320211 is a prime.

It is a Duffinian number.

1320213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 931 + ... + 1872.

It is an arithmetic number, because the mean of its divisors is an integer number (221516).

2^1320213 is an apocalyptic number.

It is an amenable number.

1320213 is a deficient number, since it is larger than the sum of its proper divisors (451915).

1320213 is a wasteful number, since it uses less digits than its factorization.

1320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2963.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 1320213 is about 1149.0052219202. The cubic root of 1320213 is about 109.7020310535.

Subtracting from 1320213 its sum of digits (12), we obtain a square (1320201 = 1149²).

Adding to 1320213 its reverse (3120231), we get a palindrome (4440444).

The spelling of 1320213 in words is "one million, three hundred twenty thousand, two hundred thirteen".