12425505 has 16 divisors (see below), whose sum is σ = 19989504. Its totient is φ = 6590720.

The previous prime is 12425503. The next prime is 12425509. The reversal of 12425505 is 50552421.

It is a happy number.

12425505 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 12425505 - 2¹ = 12425503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12425503) 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, 697 + ... + 5033.

It is an arithmetic number, because the mean of its divisors is an integer number (1249344).

Almost surely, 2^12425505 is an apocalyptic number.

12425505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12425505 is a deficient number, since it is larger than the sum of its proper divisors (7563999).

12425505 is a wasteful number, since it uses less digits than its factorization.

12425505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4536.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 12425505 is about 3524.9829786823. The cubic root of 12425505 is about 231.6174892308.

Adding to 12425505 its reverse (50552421), we get a palindrome (62977926).

The spelling of 12425505 in words is "twelve million, four hundred twenty-five thousand, five hundred five".