28012675 has 6 divisors (see below), whose sum is σ = 34735748. Its totient is φ = 22410120.

The previous prime is 28012667. The next prime is 28012681. The reversal of 28012675 is 57621082.

It is not a de Polignac number, because 28012675 - 2³ = 28012667 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 560229 + ... + 560278.

Almost surely, 2^28012675 is an apocalyptic number.

28012675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28012675 is a deficient number, since it is larger than the sum of its proper divisors (6723073).

28012675 is a wasteful number, since it uses less digits than its factorization.

28012675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120517 (or 1120512 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 28012675 is about 5292.7001615433. The cubic root of 28012675 is about 303.7047102340.

It can be divided in two parts, 2801 and 2675, that added together give a square (5476 = 74²).

The spelling of 28012675 in words is "twenty-eight million, twelve thousand, six hundred seventy-five".