3120213 has 4 divisors (see below), whose sum is σ = 4160288. Its totient is φ = 2080140.

The previous prime is 3120137. The next prime is 3120217.

It is a happy number.

3120213 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3120213 - 2⁸ = 3119957 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520033 + ... + 520038.

It is an arithmetic number, because the mean of its divisors is an integer number (1040072).

Almost surely, 2^3120213 is an apocalyptic number.

It is an amenable number.

3120213 is a deficient number, since it is larger than the sum of its proper divisors (1040075).

3120213 is a wasteful number, since it uses less digits than its factorization.

3120213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040074.

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

The square root of 3120213 is about 1766.4124659886. The cubic root of 3120213 is about 146.1261966376.

It can be divided in two parts, 3120 and 213, that added together give a palindrome (3333).

The spelling of 3120213 in words is "three million, one hundred twenty thousand, two hundred thirteen".