30708012 has 24 divisors (see below), whose sum is σ = 71819776. Its totient is φ = 10212048.

The previous prime is 30707983. The next prime is 30708017. The reversal of 30708012 is 21080703.

It is a self number, because there is not a number n which added to its sum of digits gives 30708012.

It is not an unprimeable number, because it can be changed into a prime (30708017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2793 + ... + 8319.

Almost surely, 2^30708012 is an apocalyptic number.

It is an amenable number.

30708012 is an abundant number, since it is smaller than the sum of its proper divisors (41111764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30708012 is a wasteful number, since it uses less digits than its factorization.

30708012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997 (or 5995 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 30708012 is about 5541.4810294722. The cubic root of 30708012 is about 313.1486669017.

Adding to 30708012 its reverse (21080703), we get a palindrome (51788715).

The spelling of 30708012 in words is "thirty million, seven hundred eight thousand, twelve".