12620 has 12 divisors (see below), whose sum is σ = 26544. Its totient is φ = 5040.

The previous prime is 12619. The next prime is 12637. The reversal of 12620 is 2621.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296 + ... + 335.

It is an arithmetic number, because the mean of its divisors is an integer number (2212).

2¹²⁶²⁰ is an apocalyptic number.

12620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12620 is an abundant number, since it is smaller than the sum of its proper divisors (13924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13272).

12620 is a wasteful number, since it uses less digits than its factorization.

12620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 12620 is about 112.3387733599. The cubic root of 12620 is about 23.2819731995.

Subtracting from 12620 its reverse (2621), we obtain a palindrome (9999).

The spelling of 12620 in words is "twelve thousand, six hundred twenty".