4405213 has 4 divisors (see below), whose sum is σ = 4596768. Its totient is φ = 4213660.

The previous prime is 4405199. The next prime is 4405217. The reversal of 4405213 is 3125044.

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 a de Polignac number, because none of the positive numbers 2^k-4405213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405217) 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, 95743 + ... + 95788.

It is an arithmetic number, because the mean of its divisors is an integer number (1149192).

Almost surely, 2^4405213 is an apocalyptic number.

It is an amenable number.

4405213 is a deficient number, since it is larger than the sum of its proper divisors (191555).

4405213 is a wasteful number, since it uses less digits than its factorization.

4405213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191554.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 4405213 is about 2098.8599286279. The cubic root of 4405213 is about 163.9289425462.

The spelling of 4405213 in words is "four million, four hundred five thousand, two hundred thirteen".