28337012 has 24 divisors (see below), whose sum is σ = 56452032. Its totient is φ = 12320000.

The previous prime is 28337009. The next prime is 28337041. The reversal of 28337012 is 21073382.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12989 + ... + 15012.

It is an arithmetic number, because the mean of its divisors is an integer number (2352168).

Almost surely, 2^28337012 is an apocalyptic number.

28337012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28337012 is a deficient number, since it is larger than the sum of its proper divisors (28115020).

28337012 is a wasteful number, since it uses less digits than its factorization.

28337012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28039 (or 28037 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 28337012 is about 5323.2520135722. The cubic root of 28337012 is about 304.8723357135.

It can be divided in two parts, 283370 and 12, that added together give a palindrome (283382).

The spelling of 28337012 in words is "twenty-eight million, three hundred thirty-seven thousand, twelve".