12230725 has 12 divisors (see below), whose sum is σ = 16333156. Its totient is φ = 9031680.

The previous prime is 12230723. The next prime is 12230731. The reversal of 12230725 is 52703221.

It can be written as a sum of positive squares in 6 ways, for example, as 2490084 + 9740641 = 1578^2 + 3121^2 .

It is not a de Polignac number, because 12230725 - 2¹ = 12230723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12230696 and 12230705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230723) 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, 18492 + ... + 19141.

Almost surely, 2^12230725 is an apocalyptic number.

It is an amenable number.

12230725 is a deficient number, since it is larger than the sum of its proper divisors (4102431).

12230725 is a wasteful number, since it uses less digits than its factorization.

12230725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37656 (or 37651 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12230725 is about 3497.2453445533. The cubic root of 12230725 is about 230.4008447938.

Adding to 12230725 its reverse (52703221), we get a palindrome (64933946).

The spelling of 12230725 in words is "twelve million, two hundred thirty thousand, seven hundred twenty-five".