12534425 has 12 divisors (see below), whose sum is σ = 16219200. Its totient is φ = 9591120.

The previous prime is 12534421. The next prime is 12534443. The reversal of 12534425 is 52443521.

It is a happy number.

It is not a de Polignac number, because 12534425 - 2² = 12534421 is a prime.

It is a super-2 number, since 2×12534425² = 314223620161250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12534394 and 12534403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12534421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10325 + ... + 11474.

It is an arithmetic number, because the mean of its divisors is an integer number (1351600).

Almost surely, 2^12534425 is an apocalyptic number.

It is an amenable number.

12534425 is a deficient number, since it is larger than the sum of its proper divisors (3684775).

12534425 is a wasteful number, since it uses less digits than its factorization.

12534425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21832 (or 21827 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 12534425 is about 3540.3989888147. The cubic root of 12534425 is about 232.2922953279.

Adding to 12534425 its reverse (52443521), we get a palindrome (64977946).

The spelling of 12534425 in words is "twelve million, five hundred thirty-four thousand, four hundred twenty-five".