13200540 has 24 divisors (see below), whose sum is σ = 36961680. Its totient is φ = 3520128.

The previous prime is 13200503. The next prime is 13200557. The reversal of 13200540 is 4500231.

13200540 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109945 + ... + 110064.

It is an arithmetic number, because the mean of its divisors is an integer number (1540070).

Almost surely, 2^13200540 is an apocalyptic number.

13200540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13200540 is an abundant number, since it is smaller than the sum of its proper divisors (23761140).

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

13200540 is a wasteful number, since it uses less digits than its factorization.

13200540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220021 (or 220019 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 13200540 is about 3633.2547392111. The cubic root of 13200540 is about 236.3363727743.

Adding to 13200540 its reverse (4500231), we get a palindrome (17700771).

The spelling of 13200540 in words is "thirteen million, two hundred thousand, five hundred forty".