12813066 has 40 divisors (see below), whose sum is σ = 32815200. Its totient is φ = 3660552.

The previous prime is 12813037. The next prime is 12813083. The reversal of 12813066 is 66031821.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4516 + ... + 6783.

It is an arithmetic number, because the mean of its divisors is an integer number (820380).

Almost surely, 2^12813066 is an apocalyptic number.

12813066 is an abundant number, since it is smaller than the sum of its proper divisors (20002134).

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

12813066 is a wasteful number, since it uses less digits than its factorization.

12813066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320 (or 11311 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 12813066 is about 3579.5343272554. The cubic root of 12813066 is about 234.0009861891. Note that the first 3 decimals are identical.

Adding to 12813066 its reverse (66031821), we get a palindrome (78844887).

The spelling of 12813066 in words is "twelve million, eight hundred thirteen thousand, sixty-six".