12132725 has 12 divisors (see below), whose sum is σ = 16412640. Its totient is φ = 8823600.

The previous prime is 12132719. The next prime is 12132727. The reversal of 12132725 is 52723121.

It is a happy number.

12132725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12132725 - 2⁴ = 12132709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12132725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21785 + ... + 22334.

It is an arithmetic number, because the mean of its divisors is an integer number (1367720).

Almost surely, 2^12132725 is an apocalyptic number.

It is an amenable number.

12132725 is a deficient number, since it is larger than the sum of its proper divisors (4279915).

12132725 is a wasteful number, since it uses less digits than its factorization.

12132725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44140 (or 44135 counting only the distinct ones).

The product of its digits is 840, while the sum is 23.

The square root of 12132725 is about 3483.2061380286. The cubic root of 12132725 is about 229.7838233446.

Adding to 12132725 its reverse (52723121), we get a palindrome (64855846).

The spelling of 12132725 in words is "twelve million, one hundred thirty-two thousand, seven hundred twenty-five".