28254712 has 16 divisors (see below), whose sum is σ = 53847000. Its totient is φ = 13895520.

The previous prime is 28254701. The next prime is 28254713. The reversal of 28254712 is 21745282.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28254713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28462 + ... + 29437.

Almost surely, 2^28254712 is an apocalyptic number.

It is an amenable number.

28254712 is a deficient number, since it is larger than the sum of its proper divisors (25592288).

28254712 is a wasteful number, since it uses less digits than its factorization.

28254712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57966 (or 57962 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 28254712 is about 5315.5161555582. The cubic root of 28254712 is about 304.5768996794.

Adding to 28254712 its reverse (21745282), we get a palindrome (49999994).

The spelling of 28254712 in words is "twenty-eight million, two hundred fifty-four thousand, seven hundred twelve".