12694285 has 8 divisors (see below), whose sum is σ = 15353856. Its totient is φ = 10074960.

The previous prime is 12694271. The next prime is 12694327. The reversal of 12694285 is 58249621.

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

It is not a de Polignac number, because 12694285 - 2⁹ = 12693773 is a prime.

It is a super-2 number, since 2×12694285² = 322289743322450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9361 + ... + 10630.

It is an arithmetic number, because the mean of its divisors is an integer number (1919232).

Almost surely, 2^12694285 is an apocalyptic number.

It is an amenable number.

12694285 is a deficient number, since it is larger than the sum of its proper divisors (2659571).

12694285 is a wasteful number, since it uses less digits than its factorization.

12694285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20123.

The product of its digits is 34560, while the sum is 37.

The square root of 12694285 is about 3562.9040121788. The cubic root of 12694285 is about 233.2756535432.

The spelling of 12694285 in words is "twelve million, six hundred ninety-four thousand, two hundred eighty-five".