12865946 has 8 divisors (see below), whose sum is σ = 19334100. Its totient is φ = 6421248.

The previous prime is 12865939. The next prime is 12865967. The reversal of 12865946 is 64956821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12075625 + 790321 = 3475^2 + 889^2 .

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, 4421 + ... + 6728.

Almost surely, 2^12865946 is an apocalyptic number.

12865946 is a deficient number, since it is larger than the sum of its proper divisors (6468154).

12865946 is a wasteful number, since it uses less digits than its factorization.

12865946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11728.

The product of its digits is 103680, while the sum is 41.

The square root of 12865946 is about 3586.9131575771. The cubic root of 12865946 is about 234.3224546146.

The spelling of 12865946 in words is "twelve million, eight hundred sixty-five thousand, nine hundred forty-six".