13303685 has 4 divisors (see below), whose sum is σ = 15964428. Its totient is φ = 10642944.

The previous prime is 13303651. The next prime is 13303687. The reversal of 13303685 is 58630331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10484644 + 2819041 = 3238^2 + 1679^2 .

It is a cyclic number.

It is not a de Polignac number, because 13303685 - 2⁶ = 13303621 is a prime.

It is a super-3 number, since 3×13303685³ (a number of 22 digits) contains 333 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 (13303687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330364 + ... + 1330373.

It is an arithmetic number, because the mean of its divisors is an integer number (3991107).

Almost surely, 2^13303685 is an apocalyptic number.

It is an amenable number.

13303685 is a deficient number, since it is larger than the sum of its proper divisors (2660743).

13303685 is an equidigital number, since it uses as much as digits as its factorization.

13303685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2660742.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 13303685 is about 3647.4216920998. The cubic root of 13303685 is about 236.9503299329.

The spelling of 13303685 in words is "thirteen million, three hundred three thousand, six hundred eighty-five".