620013 has 8 divisors (see below), whose sum is σ = 831168. Its totient is φ = 411104.

The previous prime is 620003. The next prime is 620029. The reversal of 620013 is 310026.

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

It is a cyclic number.

It is not a de Polignac number, because 620013 - 2⁵ = 619981 is a prime.

It is a super-2 number, since 2×620013² = 768832240338, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

620013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620003) 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 7 ways as a sum of consecutive naturals, for example, 256 + ... + 1142.

It is an arithmetic number, because the mean of its divisors is an integer number (103896).

2⁶²⁰⁰¹³ is an apocalyptic number.

It is an amenable number.

620013 is a deficient number, since it is larger than the sum of its proper divisors (211155).

620013 is a wasteful number, since it uses less digits than its factorization.

620013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123.

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

The square root of 620013 is about 787.4090423662. The cubic root of 620013 is about 85.2707858031.

Adding to 620013 its reverse (310026), we get a palindrome (930039).

The spelling of 620013 in words is "six hundred twenty thousand, thirteen".