12500500 has 48 divisors (see below), whose sum is σ = 28514304. Its totient is φ = 4778400.

The previous prime is 12500459. The next prime is 12500513. The reversal of 12500500 is 500521.

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, 10957 + ... + 12043.

It is an arithmetic number, because the mean of its divisors is an integer number (594048).

Almost surely, 2^12500500 is an apocalyptic number.

12500500 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 12500500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14257152).

12500500 is an abundant number, since it is smaller than the sum of its proper divisors (16013804).

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

12500500 is a wasteful number, since it uses less digits than its factorization.

12500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 12500500 is about 3535.6046159038. The cubic root of 12500500 is about 232.0825360319.

It can be divided in two parts, 12500 and 500, that multiplied together give a 4-th power (6250000 = 50⁴).

The spelling of 12500500 in words is "twelve million, five hundred thousand, five hundred".