30887012 has 24 divisors (see below), whose sum is σ = 58796472. Its totient is φ = 14112000.

The previous prime is 30886993. The next prime is 30887053. The reversal of 30887012 is 21078803.

It can be written as a sum of positive squares in 4 ways, for example, as 11999296 + 18887716 = 3464^2 + 4346^2 .

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, 2312 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (2449853).

Almost surely, 2^30887012 is an apocalyptic number.

It is an amenable number.

30887012 is a deficient number, since it is larger than the sum of its proper divisors (27909460).

30887012 is a wasteful number, since it uses less digits than its factorization.

30887012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5999 (or 5997 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 30887012 is about 5557.6084784735. The cubic root of 30887012 is about 313.7559465125.

The spelling of 30887012 in words is "thirty million, eight hundred eighty-seven thousand, twelve".