33328713 has 16 divisors (see below), whose sum is σ = 48574656. Its totient is φ = 20159040.

The previous prime is 33328703. The next prime is 33328723. The reversal of 33328713 is 31782333.

It is an interprime number because it is at equal distance from previous prime (33328703) and next prime (33328723).

It is not a de Polignac number, because 33328713 - 2⁴ = 33328697 is a prime.

It is a super-2 number, since 2×33328713² = 2221606220472738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33328703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32395 + ... + 33407.

It is an arithmetic number, because the mean of its divisors is an integer number (3035916).

Almost surely, 2^33328713 is an apocalyptic number.

33328713 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

33328713 is a deficient number, since it is larger than the sum of its proper divisors (15245943).

33328713 is a wasteful number, since it uses less digits than its factorization.

33328713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its digits is 9072, while the sum is 30.

The square root of 33328713 is about 5773.1025454256. The cubic root of 33328713 is about 321.8149245722.

The spelling of 33328713 in words is "thirty-three million, three hundred twenty-eight thousand, seven hundred thirteen".