12725000 has 48 divisors (see below), whose sum is σ = 29880900. Its totient is φ = 5080000.

The previous prime is 12724981. The next prime is 12725017. The reversal of 12725000 is 52721.

It can be written as a sum of positive squares in 6 ways, for example, as 432964 + 12292036 = 658^2 + 3506^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12725000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24746 + ... + 25254.

Almost surely, 2^12725000 is an apocalyptic number.

12725000 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 12725000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14940450).

12725000 is an abundant number, since it is smaller than the sum of its proper divisors (17155900).

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

12725000 is an frugal number, since it uses more digits than its factorization.

12725000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 17.

The square root of 12725000 is about 3567.2117963474. The cubic root of 12725000 is about 233.4636460299.

Adding to 12725000 its reverse (52721), we get a palindrome (12777721).

The spelling of 12725000 in words is "twelve million, seven hundred twenty-five thousand".