12001725 has 36 divisors (see below), whose sum is σ = 22037652. Its totient is φ = 6240000.

The previous prime is 12001723. The next prime is 12001733. The reversal of 12001725 is 52710021.

12001725 is digitally balanced in base 3, 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 6 ways, for example, as 6140484 + 5861241 = 2478^2 + 2421^2 .

It is not a de Polignac number, because 12001725 - 2¹ = 12001723 is a prime.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12001698 and 12001707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8575 + ... + 9875.

It is an arithmetic number, because the mean of its divisors is an integer number (612157).

Almost surely, 2^12001725 is an apocalyptic number.

12001725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12001725 is a deficient number, since it is larger than the sum of its proper divisors (10035927).

12001725 is a wasteful number, since it uses less digits than its factorization.

12001725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 12001725 is about 3464.3505884942. The cubic root of 12001725 is about 228.9538181632.

Adding to 12001725 its reverse (52710021), we get a palindrome (64711746).

The spelling of 12001725 in words is "twelve million, one thousand, seven hundred twenty-five".