12336121 has 16 divisors (see below), whose sum is σ = 14732928. Its totient is φ = 10108800.

The previous prime is 12336089. The next prime is 12336131. The reversal of 12336121 is 12163321.

It is a cyclic number.

It is not a de Polignac number, because 12336121 - 2⁵ = 12336089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12336131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14806 + ... + 15616.

It is an arithmetic number, because the mean of its divisors is an integer number (920808).

Almost surely, 2^12336121 is an apocalyptic number.

It is an amenable number.

12336121 is a deficient number, since it is larger than the sum of its proper divisors (2396807).

12336121 is an equidigital number, since it uses as much as digits as its factorization.

12336121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912.

The product of its digits is 216, while the sum is 19.

The square root of 12336121 is about 3512.2814522757. The cubic root of 12336121 is about 231.0607649841.

Adding to 12336121 its reverse (12163321), we get a palindrome (24499442).

The spelling of 12336121 in words is "twelve million, three hundred thirty-six thousand, one hundred twenty-one".