30653012 has 12 divisors (see below), whose sum is σ = 57769236. Its totient is φ = 14147520.

The previous prime is 30653011. The next prime is 30653033. The reversal of 30653012 is 21035603.

It can be written as a sum of positive squares in 2 ways, for example, as 17007376 + 13645636 = 4124^2 + 3694^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30653011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294689 + ... + 294792.

It is an arithmetic number, because the mean of its divisors is an integer number (4814103).

Almost surely, 2^30653012 is an apocalyptic number.

It is an amenable number.

30653012 is a deficient number, since it is larger than the sum of its proper divisors (27116224).

30653012 is a wasteful number, since it uses less digits than its factorization.

30653012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589498 (or 589496 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 30653012 is about 5536.5162331560. The cubic root of 30653012 is about 312.9615987893.

Adding to 30653012 its reverse (21035603), we get a palindrome (51688615).

The spelling of 30653012 in words is "thirty million, six hundred fifty-three thousand, twelve".