13012868 has 24 divisors (see below), whose sum is σ = 25129440. Its totient is φ = 5846720.

The previous prime is 13012861. The next prime is 13012873. The reversal of 13012868 is 86821031.

It is a self number, because there is not a number n which added to its sum of digits gives 13012868.

It is not an unprimeable number, because it can be changed into a prime (13012861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255 + ... + 5577.

It is an arithmetic number, because the mean of its divisors is an integer number (1047060).

Almost surely, 2^13012868 is an apocalyptic number.

It is an amenable number.

13012868 is a deficient number, since it is larger than the sum of its proper divisors (12116572).

13012868 is a wasteful number, since it uses less digits than its factorization.

13012868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3427 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 13012868 is about 3607.3353046258. The cubic root of 13012868 is about 235.2110251746.

Adding to 13012868 its reverse (86821031), we get a palindrome (99833899).

The spelling of 13012868 in words is "thirteen million, twelve thousand, eight hundred sixty-eight".