13020133 has 6 divisors (see below), whose sum is σ = 15145926. Its totient is φ = 11160072.

The previous prime is 13020131. The next prime is 13020151. The reversal of 13020133 is 33102031.

It can be written as a sum of positive squares in only one way, i.e., 12945604 + 74529 = 3598^2 + 273^2 .

It is not a de Polignac number, because 13020133 - 2¹ = 13020131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13020131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132810 + ... + 132907.

It is an arithmetic number, because the mean of its divisors is an integer number (2524321).

Almost surely, 2^13020133 is an apocalyptic number.

It is an amenable number.

13020133 is a deficient number, since it is larger than the sum of its proper divisors (2125793).

13020133 is an equidigital number, since it uses as much as digits as its factorization.

13020133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265731 (or 265724 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 13020133 is about 3608.3421400970. The cubic root of 13020133 is about 235.2547892957.

Adding to 13020133 its reverse (33102031), we get a palindrome (46122164).

The spelling of 13020133 in words is "thirteen million, twenty thousand, one hundred thirty-three".