13336121 has 4 divisors (see below), whose sum is σ = 13348752. Its totient is φ = 13323492.

The previous prime is 13336117. The next prime is 13336153. The reversal of 13336121 is 12163331.

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 13336121 - 2² = 13336117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13336093 and 13336102.

It is not an unprimeable number, because it can be changed into a prime (13336621) 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, 4571 + ... + 6896.

It is an arithmetic number, because the mean of its divisors is an integer number (3337188).

Almost surely, 2^13336121 is an apocalyptic number.

It is an amenable number.

13336121 is a deficient number, since it is larger than the sum of its proper divisors (12631).

13336121 is a wasteful number, since it uses less digits than its factorization.

13336121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12630.

The product of its digits is 324, while the sum is 20.

The square root of 13336121 is about 3651.8654137304. The cubic root of 13336121 is about 237.1427448693.

Adding to 13336121 its reverse (12163331), we get a palindrome (25499452).

The spelling of 13336121 in words is "thirteen million, three hundred thirty-six thousand, one hundred twenty-one".