13024240 has 40 divisors (see below), whose sum is σ = 30721248. Its totient is φ = 5134080.

The previous prime is 13024237. The next prime is 13024241. The reversal of 13024240 is 4242031.

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 (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13024241) 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, 4534 + ... + 6826.

Almost surely, 2^13024240 is an apocalyptic number.

13024240 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 13024240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15360624).

13024240 is an abundant number, since it is smaller than the sum of its proper divisors (17697008).

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

13024240 is a wasteful number, since it uses less digits than its factorization.

13024240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 13024240 is about 3608.9111931440. The cubic root of 13024240 is about 235.2795225261.

Adding to 13024240 its reverse (4242031), we get a palindrome (17266271).

The spelling of 13024240 in words is "thirteen million, twenty-four thousand, two hundred forty".