12535121 has 4 divisors (see below), whose sum is σ = 12711744. Its totient is φ = 12358500.

The previous prime is 12535111. The next prime is 12535123. The reversal of 12535121 is 12153521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12535121 - 2¹⁸ = 12272977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12535093 and 12535102.

It is not an unprimeable number, because it can be changed into a prime (12535123) 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 3 ways as a sum of consecutive naturals, for example, 88205 + ... + 88346.

It is an arithmetic number, because the mean of its divisors is an integer number (3177936).

Almost surely, 2^12535121 is an apocalyptic number.

It is an amenable number.

12535121 is a deficient number, since it is larger than the sum of its proper divisors (176623).

12535121 is an equidigital number, since it uses as much as digits as its factorization.

12535121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176622.

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

The square root of 12535121 is about 3540.4972814564. The cubic root of 12535121 is about 232.2965947525.

Adding to 12535121 its reverse (12153521), we get a palindrome (24688642).

The spelling of 12535121 in words is "twelve million, five hundred thirty-five thousand, one hundred twenty-one".