12125653 has 4 divisors (see below), whose sum is σ = 12136300. Its totient is φ = 12115008.

The previous prime is 12125651. The next prime is 12125657. The reversal of 12125653 is 35652121.

12125653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11573604 + 552049 = 3402^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 12125653 - 2¹ = 12125651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12125651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (3034075).

Almost surely, 2^12125653 is an apocalyptic number.

It is an amenable number.

12125653 is a deficient number, since it is larger than the sum of its proper divisors (10647).

12125653 is an equidigital number, since it uses as much as digits as its factorization.

12125653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10646.

The product of its digits is 1800, while the sum is 25.

The square root of 12125653 is about 3482.1908333691. The cubic root of 12125653 is about 229.7391687146.

Adding to 12125653 its reverse (35652121), we get a palindrome (47777774).

It can be divided in two parts, 121 and 25653, that multiplied together give a palindrome (3104013).

The spelling of 12125653 in words is "twelve million, one hundred twenty-five thousand, six hundred fifty-three".