13000026 has 16 divisors (see below), whose sum is σ = 28000224. Its totient is φ = 3999984.

The previous prime is 12999997. The next prime is 13000027. The reversal of 13000026 is 62000031.

It is a junction number, because it is equal to n+sod(n) for n = 12999975 and 13000020.

It is not an unprimeable number, because it can be changed into a prime (13000027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83256 + ... + 83411.

It is an arithmetic number, because the mean of its divisors is an integer number (1750014).

Almost surely, 2^13000026 is an apocalyptic number.

13000026 is an abundant number, since it is smaller than the sum of its proper divisors (15000198).

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

13000026 is a wasteful number, since it uses less digits than its factorization.

13000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166685.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13000026 is about 3605.5548810135. The cubic root of 13000026 is about 235.1336255276.

Adding to 13000026 its reverse (62000031), we get a palindrome (75000057).

The spelling of 13000026 in words is "thirteen million, twenty-six", and thus it is an aban number and an uban number.