28012676 has 12 divisors (see below), whose sum is σ = 50218140. Its totient is φ = 13664640.

The previous prime is 28012667. The next prime is 28012681. The reversal of 28012676 is 67621082.

It can be written as a sum of positive squares in 2 ways, for example, as 3904576 + 24108100 = 1976^2 + 4910^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 85241 + ... + 85568.

It is an arithmetic number, because the mean of its divisors is an integer number (4184845).

Almost surely, 2^28012676 is an apocalyptic number.

It is an amenable number.

28012676 is a deficient number, since it is larger than the sum of its proper divisors (22205464).

28012676 is a wasteful number, since it uses less digits than its factorization.

28012676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170854 (or 170852 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 28012676 is about 5292.7002560130. The cubic root of 28012676 is about 303.7047138479.

The spelling of 28012676 in words is "twenty-eight million, twelve thousand, six hundred seventy-six".