30812026 has 16 divisors (see below), whose sum is σ = 52911360. Its totient is φ = 13182480.

The previous prime is 30812021. The next prime is 30812029. The reversal of 30812026 is 62021803.

It is a junction number, because it is equal to n+sod(n) for n = 30811988 and 30812006.

It is not an unprimeable number, because it can be changed into a prime (30812021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8536 + ... + 11596.

It is an arithmetic number, because the mean of its divisors is an integer number (3306960).

Almost surely, 2^30812026 is an apocalyptic number.

30812026 is a deficient number, since it is larger than the sum of its proper divisors (22099334).

30812026 is a wasteful number, since it uses less digits than its factorization.

30812026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3789.

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

The square root of 30812026 is about 5550.8581318567. The cubic root of 30812026 is about 313.5018335689.

Adding to 30812026 its reverse (62021803), we get a palindrome (92833829).

The spelling of 30812026 in words is "thirty million, eight hundred twelve thousand, twenty-six".