10812500 has 42 divisors (see below), whose sum is σ = 23788758. Its totient is φ = 4300000.

The previous prime is 10812499. The next prime is 10812511. The reversal of 10812500 is 521801.

10812500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 7 ways, for example, as 10355524 + 456976 = 3218^2 + 676^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 62414 + ... + 62586.

It is an arithmetic number, because the mean of its divisors is an integer number (566399).

Almost surely, 2^10812500 is an apocalyptic number.

10812500 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 10812500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11894379).

10812500 is an abundant number, since it is smaller than the sum of its proper divisors (12976258).

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

10812500 is an frugal number, since it uses more digits than its factorization.

10812500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 10812500 is about 3288.2366094915. The cubic root of 10812500 is about 221.1271355458.

The spelling of 10812500 in words is "ten million, eight hundred twelve thousand, five hundred".