12507500 has 30 divisors (see below), whose sum is σ = 27356868. Its totient is φ = 5002000.

The previous prime is 12507457. The next prime is 12507503. The reversal of 12507500 is 570521.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (12507503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2 + ... + 5001.

Almost surely, 2^12507500 is an apocalyptic number.

12507500 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 12507500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13678434).

12507500 is an abundant number, since it is smaller than the sum of its proper divisors (14849368).

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

12507500 is an equidigital number, since it uses as much as digits as its factorization.

12507500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027 (or 5010 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 12507500 is about 3536.5944070532. The cubic root of 12507500 is about 232.1258482889.

The spelling of 12507500 in words is "twelve million, five hundred seven thousand, five hundred".