4421013 has 4 divisors (see below), whose sum is σ = 5894688. Its totient is φ = 2947340.

The previous prime is 4420993. The next prime is 4421023. The reversal of 4421013 is 3101244.

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 4421013 - 2²⁰ = 3372437 is a prime.

It is a D-number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4420983 and 4421001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421023) 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, 736833 + ... + 736838.

It is an arithmetic number, because the mean of its divisors is an integer number (1473672).

Almost surely, 2^4421013 is an apocalyptic number.

It is an amenable number.

4421013 is a deficient number, since it is larger than the sum of its proper divisors (1473675).

4421013 is a wasteful number, since it uses less digits than its factorization.

4421013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473674.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4421013 is about 2102.6205078425. The cubic root of 4421013 is about 164.1246944787.

Adding to 4421013 its reverse (3101244), we get a palindrome (7522257).

The spelling of 4421013 in words is "four million, four hundred twenty-one thousand, thirteen".