3148213 has 4 divisors (see below), whose sum is σ = 3333420. Its totient is φ = 2963008.

The previous prime is 3148193. The next prime is 3148231. The reversal of 3148213 is 3128413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3128413 = 1499 ⋅2087.

It can be written as a sum of positive squares in 2 ways, for example, as 2900209 + 248004 = 1703^2 + 498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3148213 is a prime.

It is a super-2 number, since 2×3148213² = 19822490186738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3148283) 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, 92578 + ... + 92611.

It is an arithmetic number, because the mean of its divisors is an integer number (833355).

Almost surely, 2^3148213 is an apocalyptic number.

It is an amenable number.

3148213 is a deficient number, since it is larger than the sum of its proper divisors (185207).

3148213 is a wasteful number, since it uses less digits than its factorization.

3148213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185206.

The product of its digits is 576, while the sum is 22.

The square root of 3148213 is about 1774.3204332927. The cubic root of 3148213 is about 146.5619954505.

The spelling of 3148213 in words is "three million, one hundred forty-eight thousand, two hundred thirteen".