12785946 has 16 divisors (see below), whose sum is σ = 25633344. Its totient is φ = 4251744.

The previous prime is 12785939. The next prime is 12785951. The reversal of 12785946 is 64958721.

It is a super-2 number, since 2×12785946² = 326960830229832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12785898 and 12785907.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411 + ... + 5073.

It is an arithmetic number, because the mean of its divisors is an integer number (1602084).

Almost surely, 2^12785946 is an apocalyptic number.

12785946 is an abundant number, since it is smaller than the sum of its proper divisors (12847398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12785946 is a wasteful number, since it uses less digits than its factorization.

12785946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5125.

The product of its digits is 120960, while the sum is 42.

The square root of 12785946 is about 3575.7441183619. The cubic root of 12785946 is about 233.8357749018.

It can be divided in two parts, 12785 and 946, that added together give a palindrome (13731).

The spelling of 12785946 in words is "twelve million, seven hundred eighty-five thousand, nine hundred forty-six".