2103213 has 8 divisors (see below), whose sum is σ = 3204928. Its totient is φ = 1201824.

The previous prime is 2103193. The next prime is 2103229. The reversal of 2103213 is 3123012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2103213 - 2⁵ = 2103181 is a prime.

It is a Duffinian number.

It is a Curzon number.

2103213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50056 + ... + 50097.

It is an arithmetic number, because the mean of its divisors is an integer number (400616).

2^2103213 is an apocalyptic number.

It is an amenable number.

2103213 is a deficient number, since it is larger than the sum of its proper divisors (1101715).

2103213 is a wasteful number, since it uses less digits than its factorization.

2103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100163.

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

The square root of 2103213 is about 1450.2458412283. The cubic root of 2103213 is about 128.1231927566.

Adding to 2103213 its reverse (3123012), we get a palindrome (5226225).

The spelling of 2103213 in words is "two million, one hundred three thousand, two hundred thirteen".