13250033 has 4 divisors (see below), whose sum is σ = 13608180. Its totient is φ = 12891888.

The previous prime is 13250009. The next prime is 13250101. The reversal of 13250033 is 33005231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33005231 = 7 ⋅4715033.

It can be written as a sum of positive squares in 2 ways, for example, as 10975969 + 2274064 = 3313^2 + 1508^2 .

It is a cyclic number.

It is not a de Polignac number, because 13250033 - 2¹⁰ = 13249009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13249993 and 13250020.

It is not an unprimeable number, because it can be changed into a prime (13250333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179018 + ... + 179091.

It is an arithmetic number, because the mean of its divisors is an integer number (3402045).

Almost surely, 2^13250033 is an apocalyptic number.

It is an amenable number.

13250033 is a deficient number, since it is larger than the sum of its proper divisors (358147).

13250033 is an equidigital number, since it uses as much as digits as its factorization.

13250033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358146.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 13250033 is about 3640.0594775360. The cubic root of 13250033 is about 236.6313710065.

Adding to 13250033 its reverse (33005231), we get a palindrome (46255264).

The spelling of 13250033 in words is "thirteen million, two hundred fifty thousand, thirty-three".