30012663 has 8 divisors (see below), whose sum is σ = 40044400. Its totient is φ = 19994688.

The previous prime is 30012659. The next prime is 30012683. The reversal of 30012663 is 36621003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30012663 - 2² = 30012659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3873 + ... + 8661.

It is an arithmetic number, because the mean of its divisors is an integer number (5005550).

Almost surely, 2^30012663 is an apocalyptic number.

30012663 is a deficient number, since it is larger than the sum of its proper divisors (10031737).

30012663 is a wasteful number, since it uses less digits than its factorization.

30012663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30012663 is about 5478.3814215514. The cubic root of 30012663 is about 310.7669632070.

Adding to 30012663 its reverse (36621003), we get a palindrome (66633666).

The spelling of 30012663 in words is "thirty million, twelve thousand, six hundred sixty-three".