13012133 has 4 divisors (see below), whose sum is σ = 13141068. Its totient is φ = 12883200.

The previous prime is 13012117. The next prime is 13012141. The reversal of 13012133 is 33121031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 3265249 = 3122^2 + 1807^2 .

It is a cyclic number.

It is not a de Polignac number, because 13012133 - 2⁴ = 13012117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13012333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64316 + ... + 64517.

It is an arithmetic number, because the mean of its divisors is an integer number (3285267).

Almost surely, 2^13012133 is an apocalyptic number.

It is an amenable number.

13012133 is a deficient number, since it is larger than the sum of its proper divisors (128935).

13012133 is a wasteful number, since it uses less digits than its factorization.

13012133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128934.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13012133 is about 3607.2334274344. The cubic root of 13012133 is about 235.2065966516.

Adding to 13012133 its reverse (33121031), we get a palindrome (46133164).

The spelling of 13012133 in words is "thirteen million, twelve thousand, one hundred thirty-three".