28065412 has 12 divisors (see below), whose sum is σ = 50256976. Its totient is φ = 13706280.

The previous prime is 28065407. The next prime is 28065421. The reversal of 28065412 is 21456082.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 81414 + ... + 81757.

Almost surely, 2^28065412 is an apocalyptic number.

It is an amenable number.

28065412 is a deficient number, since it is larger than the sum of its proper divisors (22191564).

28065412 is a wasteful number, since it uses less digits than its factorization.

28065412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163218 (or 163216 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 28065412 is about 5297.6798695278. The cubic root of 28065412 is about 303.8951768099.

The spelling of 28065412 in words is "twenty-eight million, sixty-five thousand, four hundred twelve".