3173213 has 4 divisors (see below), whose sum is σ = 3197568. Its totient is φ = 3148860.

The previous prime is 3173207. The next prime is 3173243. The reversal of 3173213 is 3123713.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 3173213 - 2⁸ = 3172957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3173243) 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, 11981 + ... + 12242.

It is an arithmetic number, because the mean of its divisors is an integer number (799392).

Almost surely, 2^3173213 is an apocalyptic number.

It is an amenable number.

3173213 is a deficient number, since it is larger than the sum of its proper divisors (24355).

3173213 is a wasteful number, since it uses less digits than its factorization.

3173213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24354.

The product of its digits is 378, while the sum is 20.

The square root of 3173213 is about 1781.3514532512. The cubic root of 3173213 is about 146.9489232826.

Adding to 3173213 its reverse (3123713), we get a palindrome (6296926).

The spelling of 3173213 in words is "three million, one hundred seventy-three thousand, two hundred thirteen".