13043140 has 48 divisors (see below), whose sum is σ = 30227904. Its totient is φ = 4688000.

The previous prime is 13043123. The next prime is 13043143. The reversal of 13043140 is 4134031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043143) 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, 21927 + ... + 22513.

It is an arithmetic number, because the mean of its divisors is an integer number (629748).

Almost surely, 2^13043140 is an apocalyptic number.

13043140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13043140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15113952).

13043140 is an abundant number, since it is smaller than the sum of its proper divisors (17184764).

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

13043140 is a wasteful number, since it uses less digits than its factorization.

13043140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 13043140 is about 3611.5287621726. The cubic root of 13043140 is about 235.3932753884.

Adding to 13043140 its reverse (4134031), we get a palindrome (17177171).

It can be divided in two parts, 1304 and 3140, that added together give a palindrome (4444).

The spelling of 13043140 in words is "thirteen million, forty-three thousand, one hundred forty".