10003213 has 4 divisors (see below), whose sum is σ = 10912608. Its totient is φ = 9093820.

The previous prime is 10003199. The next prime is 10003223. The reversal of 10003213 is 31230001.

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 10003213 - 2⁵ = 10003181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10003213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003223) 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, 454681 + ... + 454702.

It is an arithmetic number, because the mean of its divisors is an integer number (2728152).

Almost surely, 2^10003213 is an apocalyptic number.

It is an amenable number.

10003213 is a deficient number, since it is larger than the sum of its proper divisors (909395).

10003213 is an equidigital number, since it uses as much as digits as its factorization.

10003213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909394.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 10003213 is about 3162.7856392743. The cubic root of 10003213 is about 215.4665405279.

Adding to 10003213 its reverse (31230001), we get a palindrome (41233214).

The spelling of 10003213 in words is "ten million, three thousand, two hundred thirteen".