13033289 has 2 divisors, whose sum is σ = 13033290. Its totient is φ = 13033288.

The previous prime is 13033261. The next prime is 13033327. The reversal of 13033289 is 98233031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13017664 + 15625 = 3608^2 + 125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13033289 is a prime.

It is a Chen prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (13033589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516644 + 6516645.

It is an arithmetic number, because the mean of its divisors is an integer number (6516645).

Almost surely, 2^13033289 is an apocalyptic number.

It is an amenable number.

13033289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13033289 is an equidigital number, since it uses as much as digits as its factorization.

13033289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 13033289 is about 3610.1646776844. The cubic root of 13033289 is about 235.3339991920. Note that the first 3 decimals are identical.

The spelling of 13033289 in words is "thirteen million, thirty-three thousand, two hundred eighty-nine".