13121133 has 8 divisors (see below), whose sum is σ = 17517696. Its totient is φ = 8736000.

The previous prime is 13121117. The next prime is 13121159. The reversal of 13121133 is 33112131.

13121133 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13121133 - 2⁴ = 13121117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333 + ... + 5133.

It is an arithmetic number, because the mean of its divisors is an integer number (2189712).

Almost surely, 2^13121133 is an apocalyptic number.

It is an amenable number.

13121133 is a deficient number, since it is larger than the sum of its proper divisors (4396563).

13121133 is an equidigital number, since it uses as much as digits as its factorization.

13121133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715.

The product of its digits is 54, while the sum is 15.

The square root of 13121133 is about 3622.3104505274. The cubic root of 13121133 is about 235.8615306164.

Adding to 13121133 its reverse (33112131), we get a palindrome (46233264).

The spelling of 13121133 in words is "thirteen million, one hundred twenty-one thousand, one hundred thirty-three".