12485620 has 48 divisors (see below), whose sum is σ = 30296448. Its totient is φ = 4233600.

The previous prime is 12485617. The next prime is 12485647. The reversal of 12485620 is 2658421.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13699 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (631176).

Almost surely, 2^12485620 is an apocalyptic number.

12485620 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 12485620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15148224).

12485620 is an abundant number, since it is smaller than the sum of its proper divisors (17810828).

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

12485620 is a wasteful number, since it uses less digits than its factorization.

12485620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 12485620 is about 3533.4996816188. The cubic root of 12485620 is about 231.9904128024.

The spelling of 12485620 in words is "twelve million, four hundred eighty-five thousand, six hundred twenty".