12124535 has 4 divisors (see below), whose sum is σ = 14549448. Its totient is φ = 9699624.

The previous prime is 12124531. The next prime is 12124537. The reversal of 12124535 is 53542121.

12124535 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.

It is a cyclic number.

It is not a de Polignac number, because 12124535 - 2² = 12124531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12124535.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12124531) 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, 1212449 + ... + 1212458.

It is an arithmetic number, because the mean of its divisors is an integer number (3637362).

Almost surely, 2^12124535 is an apocalyptic number.

12124535 is a deficient number, since it is larger than the sum of its proper divisors (2424913).

12124535 is an equidigital number, since it uses as much as digits as its factorization.

12124535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424912.

The product of its digits is 1200, while the sum is 23.

The square root of 12124535 is about 3482.0302985471. The cubic root of 12124535 is about 229.7321077537.

Adding to 12124535 its reverse (53542121), we get a palindrome (65666656).

The spelling of 12124535 in words is "twelve million, one hundred twenty-four thousand, five hundred thirty-five".