12445725 has 48 divisors (see below), whose sum is σ = 21855744. Its totient is φ = 6240000.

The previous prime is 12445723. The next prime is 12445753. The reversal of 12445725 is 52754421.

It is not a de Polignac number, because 12445725 - 2¹ = 12445723 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12445692 and 12445701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445723) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123175 + ... + 123275.

It is an arithmetic number, because the mean of its divisors is an integer number (455328).

Almost surely, 2^12445725 is an apocalyptic number.

12445725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12445725 is a deficient number, since it is larger than the sum of its proper divisors (9410019).

12445725 is a wasteful number, since it uses less digits than its factorization.

12445725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 193 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 12445725 is about 3527.8499117735. The cubic root of 12445725 is about 231.7430580387.

The spelling of 12445725 in words is "twelve million, four hundred forty-five thousand, seven hundred twenty-five".