13201140 has 24 divisors (see below), whose sum is σ = 36963360. Its totient is φ = 3520288.

The previous prime is 13201127. The next prime is 13201147. The reversal of 13201140 is 4110231.

It is a happy number.

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 (13201147) 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, 109950 + ... + 110069.

It is an arithmetic number, because the mean of its divisors is an integer number (1540140).

Almost surely, 2^13201140 is an apocalyptic number.

13201140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201140 is an abundant number, since it is smaller than the sum of its proper divisors (23762220).

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

13201140 is a wasteful number, since it uses less digits than its factorization.

13201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220031 (or 220029 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 13201140 is about 3633.3373088663. The cubic root of 13201140 is about 236.3399534277.

Adding to 13201140 its reverse (4110231), we get a palindrome (17311371).

Subtracting from 13201140 its reverse (4110231), we obtain a palindrome (9090909).

The spelling of 13201140 in words is "thirteen million, two hundred one thousand, one hundred forty".