13026540 has 48 divisors (see below), whose sum is σ = 36691200. Its totient is φ = 3453120.

The previous prime is 13026521. The next prime is 13026569. The reversal of 13026540 is 4562031.

It is a happy number.

13026540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11395 + ... + 12485.

It is an arithmetic number, because the mean of its divisors is an integer number (764400).

Almost surely, 2^13026540 is an apocalyptic number.

13026540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13026540 is an abundant number, since it is smaller than the sum of its proper divisors (23664660).

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

13026540 is a wasteful number, since it uses less digits than its factorization.

13026540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 13026540 is about 3609.2298347431. The cubic root of 13026540 is about 235.2933713457.

Adding to 13026540 its reverse (4562031), we get a palindrome (17588571).

It can be divided in two parts, 130265 and 40, that added together give a triangular number (130305 = T₅₁₀).

The spelling of 13026540 in words is "thirteen million, twenty-six thousand, five hundred forty".