13026504 has 16 divisors (see below), whose sum is σ = 32566320. Its totient is φ = 4342160.

The previous prime is 13026493. The next prime is 13026511. The reversal of 13026504 is 40562031.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271362 + ... + 271409.

It is an arithmetic number, because the mean of its divisors is an integer number (2035395).

Almost surely, 2^13026504 is an apocalyptic number.

It is an amenable number.

13026504 is an abundant number, since it is smaller than the sum of its proper divisors (19539816).

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

13026504 is a wasteful number, since it uses less digits than its factorization.

13026504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542780 (or 542776 counting only the distinct ones).

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

The square root of 13026504 is about 3609.2248475261. The cubic root of 13026504 is about 235.2931545941.

Adding to 13026504 its reverse (40562031), we get a palindrome (53588535).

It can be divided in two parts, 13026 and 504, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 13026504 in words is "thirteen million, twenty-six thousand, five hundred four".