33330013 has 8 divisors (see below), whose sum is σ = 36825408. Its totient is φ = 30005184.

The previous prime is 33329999. The next prime is 33330023. The reversal of 33330013 is 31003333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33330013 - 2⁹ = 33329501 is a prime.

It is a super-2 number, since 2×33330013² = 2221779533160338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33330023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42231 + ... + 43012.

It is an arithmetic number, because the mean of its divisors is an integer number (4603176).

Almost surely, 2^33330013 is an apocalyptic number.

It is an amenable number.

33330013 is a deficient number, since it is larger than the sum of its proper divisors (3495395).

33330013 is a wasteful number, since it uses less digits than its factorization.

33330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85283.

The product of its (nonzero) digits is 243, while the sum is 16.

The square root of 33330013 is about 5773.2151354336. The cubic root of 33330013 is about 321.8191086918.

Adding to 33330013 its reverse (31003333), we get a palindrome (64333346).

The spelling of 33330013 in words is "thirty-three million, three hundred thirty thousand, thirteen".