12785426 has 8 divisors (see below), whose sum is σ = 19232640. Its totient is φ = 6374548.

The previous prime is 12785419. The next prime is 12785449. The reversal of 12785426 is 62458721.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8186 + ... + 9621.

It is an arithmetic number, because the mean of its divisors is an integer number (2404080).

Almost surely, 2^12785426 is an apocalyptic number.

12785426 is a deficient number, since it is larger than the sum of its proper divisors (6447214).

12785426 is a wasteful number, since it uses less digits than its factorization.

12785426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18168.

The product of its digits is 26880, while the sum is 35.

The square root of 12785426 is about 3575.6714054846. The cubic root of 12785426 is about 233.8326048522.

The spelling of 12785426 in words is "twelve million, seven hundred eighty-five thousand, four hundred twenty-six".