12525345 has 48 divisors (see below), whose sum is σ = 26282880. Its totient is φ = 5386752.

The previous prime is 12525301. The next prime is 12525347. The reversal of 12525345 is 54352521.

It is a happy number.

12525345 is a `hidden beast` number, since 125 + 2 + 534 + 5 = 666.

12525345 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 12525345 - 2⁷ = 12525217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12525347) 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, 4186 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (547560).

Almost surely, 2^12525345 is an apocalyptic number.

12525345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12525345 is an abundant number, since it is smaller than the sum of its proper divisors (13757535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12525345 is a wasteful number, since it uses less digits than its factorization.

12525345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374 (or 2371 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 12525345 is about 3539.1164151522. The cubic root of 12525345 is about 232.2361905456.

Adding to 12525345 its reverse (54352521), we get a palindrome (66877866).

The spelling of 12525345 in words is "twelve million, five hundred twenty-five thousand, three hundred forty-five".