12113525 has 12 divisors (see below), whose sum is σ = 15674592. Its totient is φ = 9269040.

The previous prime is 12113489. The next prime is 12113527. The reversal of 12113525 is 52531121.

It is a happy number.

It is not a de Polignac number, because 12113525 - 2¹⁰ = 12112501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12113497 and 12113506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9959 + ... + 11108.

It is an arithmetic number, because the mean of its divisors is an integer number (1306216).

Almost surely, 2^12113525 is an apocalyptic number.

It is an amenable number.

12113525 is a deficient number, since it is larger than the sum of its proper divisors (3561067).

12113525 is a wasteful number, since it uses less digits than its factorization.

12113525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21100 (or 21095 counting only the distinct ones).

The product of its digits is 300, while the sum is 20.

The square root of 12113525 is about 3480.4489652917. The cubic root of 12113525 is about 229.6625486185.

Adding to 12113525 its reverse (52531121), we get a palindrome (64644646).

The spelling of 12113525 in words is "twelve million, one hundred thirteen thousand, five hundred twenty-five".