7103213 has 16 divisors (see below), whose sum is σ = 7968576. Its totient is φ = 6289920.

The previous prime is 7103183. The next prime is 7103227. The reversal of 7103213 is 3123017.

It is not a de Polignac number, because 7103213 - 2²⁰ = 6054637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7103191 and 7103200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7103513) 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 15 ways as a sum of consecutive naturals, for example, 54158 + ... + 54288.

It is an arithmetic number, because the mean of its divisors is an integer number (498036).

Almost surely, 2^7103213 is an apocalyptic number.

It is an amenable number.

7103213 is a deficient number, since it is larger than the sum of its proper divisors (865363).

7103213 is a wasteful number, since it uses less digits than its factorization.

7103213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 7103213 is about 2665.1853594075. The cubic root of 7103213 is about 192.2287222877.

The spelling of 7103213 in words is "seven million, one hundred three thousand, two hundred thirteen".