30012628 has 24 divisors (see below), whose sum is σ = 56337120. Its totient is φ = 13946400.

The previous prime is 30012617. The next prime is 30012637. The reversal of 30012628 is 82621003.

It is a junction number, because it is equal to n+sod(n) for n = 30012599 and 30012608.

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, 303 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (2347380).

Almost surely, 2^30012628 is an apocalyptic number.

30012628 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

30012628 is a deficient number, since it is larger than the sum of its proper divisors (26324492).

30012628 is a wasteful number, since it uses less digits than its factorization.

30012628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7527 (or 7525 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 30012628 is about 5478.3782271764. The cubic root of 30012628 is about 310.7668424041.

The spelling of 30012628 in words is "thirty million, twelve thousand, six hundred twenty-eight".