12620500 has 48 divisors (see below), whose sum is σ = 28252224. Its totient is φ = 4922400.

The previous prime is 12620483. The next prime is 12620501. The reversal of 12620500 is 502621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12620501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21207 + ... + 21793.

It is an arithmetic number, because the mean of its divisors is an integer number (588588).

Almost surely, 2^12620500 is an apocalyptic number.

12620500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12620500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14126112).

12620500 is an abundant number, since it is smaller than the sum of its proper divisors (15631724).

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

12620500 is a wasteful number, since it uses less digits than its factorization.

12620500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12620500 is about 3552.5343066605. The cubic root of 12620500 is about 232.8228066995.

The spelling of 12620500 in words is "twelve million, six hundred twenty thousand, five hundred".