13200240 has 40 divisors (see below), whose sum is σ = 40921488. Its totient is φ = 3520000.

The previous prime is 13200223. The next prime is 13200241. The reversal of 13200240 is 4200231.

13200240 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 tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13200241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27261 + ... + 27740.

Almost surely, 2^13200240 is an apocalyptic number.

13200240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13200240 is an abundant number, since it is smaller than the sum of its proper divisors (27721248).

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

13200240 is a wasteful number, since it uses less digits than its factorization.

13200240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55017 (or 55011 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 13200240 is about 3633.2134536798. The cubic root of 13200240 is about 236.3345824069.

Adding to 13200240 its reverse (4200231), we get a palindrome (17400471).

Subtracting from 13200240 its reverse (4200231), we obtain a palindrome (9000009).

The spelling of 13200240 in words is "thirteen million, two hundred thousand, two hundred forty".