28514212 has 24 divisors (see below), whose sum is σ = 53524800. Its totient is φ = 13250016.

The previous prime is 28514209. The next prime is 28514249. The reversal of 28514212 is 21241582.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489 + ... + 7567.

It is an arithmetic number, because the mean of its divisors is an integer number (2230200).

Almost surely, 2^28514212 is an apocalyptic number.

It is an amenable number.

28514212 is a deficient number, since it is larger than the sum of its proper divisors (25010588).

28514212 is a wasteful number, since it uses less digits than its factorization.

28514212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7155 (or 7153 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 28514212 is about 5339.8700358717. The cubic root of 28514212 is about 305.5065023086.

Adding to 28514212 its reverse (21241582), we get a palindrome (49755794).

The spelling of 28514212 in words is "twenty-eight million, five hundred fourteen thousand, two hundred twelve".