12425145 has 16 divisors (see below), whose sum is σ = 20927040. Its totient is φ = 6277824.

The previous prime is 12425143. The next prime is 12425159. The reversal of 12425145 is 54152421.

12425145 = 180² + 181² + ... + 350².

12425145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12425145 - 2¹ = 12425143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12425143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21514 + ... + 22083.

It is an arithmetic number, because the mean of its divisors is an integer number (1307940).

Almost surely, 2^12425145 is an apocalyptic number.

12425145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12425145 is a deficient number, since it is larger than the sum of its proper divisors (8501895).

12425145 is a wasteful number, since it uses less digits than its factorization.

12425145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43624.

The product of its digits is 1600, while the sum is 24.

The square root of 12425145 is about 3524.9319142361. The cubic root of 12425145 is about 231.6152523506.

Adding to 12425145 its reverse (54152421), we get a palindrome (66577566).

The spelling of 12425145 in words is "twelve million, four hundred twenty-five thousand, one hundred forty-five".