13033385 has 4 divisors (see below), whose sum is σ = 15640068. Its totient is φ = 10426704.

The previous prime is 13033379. The next prime is 13033393. The reversal of 13033385 is 58333031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58333031 = 617 ⋅94543.

It can be written as a sum of positive squares in 2 ways, for example, as 10156969 + 2876416 = 3187^2 + 1696^2 .

It is a cyclic number.

It is not a de Polignac number, because 13033385 - 2²⁰ = 11984809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303334 + ... + 1303343.

It is an arithmetic number, because the mean of its divisors is an integer number (3910017).

Almost surely, 2^13033385 is an apocalyptic number.

It is an amenable number.

13033385 is a deficient number, since it is larger than the sum of its proper divisors (2606683).

13033385 is an equidigital number, since it uses as much as digits as its factorization.

13033385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606682.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 13033385 is about 3610.1779734523. The cubic root of 13033385 is about 235.3345769947.

The spelling of 13033385 in words is "thirteen million, thirty-three thousand, three hundred eighty-five".