13210500 has 48 divisors (see below), whose sum is σ = 38473344. Its totient is φ = 3522400.

The previous prime is 13210493. The next prime is 13210501. The reversal of 13210500 is 501231.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (13210501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2904 + ... + 5903.

It is an arithmetic number, because the mean of its divisors is an integer number (801528).

Almost surely, 2^13210500 is an apocalyptic number.

13210500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13210500 is an abundant number, since it is smaller than the sum of its proper divisors (25262844).

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

13210500 is a wasteful number, since it uses less digits than its factorization.

13210500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8829 (or 8817 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 13210500 is about 3634.6251526120. The cubic root of 13210500 is about 236.3957975782.

Adding to 13210500 its reverse (501231), we get a palindrome (13711731).

The spelling of 13210500 in words is "thirteen million, two hundred ten thousand, five hundred".