12965785 has 8 divisors (see below), whose sum is σ = 17781696. Its totient is φ = 8890800.

The previous prime is 12965783. The next prime is 12965789. The reversal of 12965785 is 58756921.

12965785 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12965785 - 2¹ = 12965783 is a prime.

It is a super-2 number, since 2×12965785² = 336223161332450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12965783) 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, 185191 + ... + 185260.

It is an arithmetic number, because the mean of its divisors is an integer number (2222712).

Almost surely, 2^12965785 is an apocalyptic number.

It is an amenable number.

12965785 is a deficient number, since it is larger than the sum of its proper divisors (4815911).

12965785 is an equidigital number, since it uses as much as digits as its factorization.

12965785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370463.

The product of its digits is 151200, while the sum is 43.

The square root of 12965785 is about 3600.8033825801. The cubic root of 12965785 is about 234.9270031312.

The spelling of 12965785 in words is "twelve million, nine hundred sixty-five thousand, seven hundred eighty-five".