12116525 has 12 divisors (see below), whose sum is σ = 15392244. Its totient is φ = 9456000.

The previous prime is 12116521. The next prime is 12116527. The reversal of 12116525 is 52561121.

It is a happy number.

12116525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4169764 + 7946761 = 2042^2 + 2819^2 .

It is not a de Polignac number, because 12116525 - 2² = 12116521 is a prime.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12116525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12116521) 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, 4886 + ... + 6935.

It is an arithmetic number, because the mean of its divisors is an integer number (1282687).

Almost surely, 2^12116525 is an apocalyptic number.

It is an amenable number.

12116525 is a deficient number, since it is larger than the sum of its proper divisors (3275719).

12116525 is a wasteful number, since it uses less digits than its factorization.

12116525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11872 (or 11867 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 12116525 is about 3480.8799174921. The cubic root of 12116525 is about 229.6815062375.

Adding to 12116525 its reverse (52561121), we get a palindrome (64677646).

The spelling of 12116525 in words is "twelve million, one hundred sixteen thousand, five hundred twenty-five".