12785313 has 8 divisors (see below), whose sum is σ = 17507968. Its totient is φ = 8293104.

The previous prime is 12785303. The next prime is 12785327. The reversal of 12785313 is 31358721.

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

It is not a de Polignac number, because 12785313 - 2⁶ = 12785249 is a prime.

It is a super-3 number, since 3×12785313³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12785303) 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, 57481 + ... + 57702.

It is an arithmetic number, because the mean of its divisors is an integer number (2188496).

Almost surely, 2^12785313 is an apocalyptic number.

It is an amenable number.

12785313 is a deficient number, since it is larger than the sum of its proper divisors (4722655).

12785313 is a wasteful number, since it uses less digits than its factorization.

12785313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115223.

The product of its digits is 5040, while the sum is 30.

The square root of 12785313 is about 3575.6556042214. The cubic root of 12785313 is about 233.8319159646.

The spelling of 12785313 in words is "twelve million, seven hundred eighty-five thousand, three hundred thirteen".