13009240 has 16 divisors (see below), whose sum is σ = 29270880. Its totient is φ = 5203680.

The previous prime is 13009223. The next prime is 13009253. The reversal of 13009240 is 4290031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162576 + ... + 162655.

It is an arithmetic number, because the mean of its divisors is an integer number (1829430).

Almost surely, 2^13009240 is an apocalyptic number.

13009240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13009240 is an abundant number, since it is smaller than the sum of its proper divisors (16261640).

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

13009240 is a wasteful number, since it uses less digits than its factorization.

13009240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325242 (or 325238 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13009240 is about 3606.8324053108. The cubic root of 13009240 is about 235.1891641236.

Adding to 13009240 its reverse (4290031), we get a palindrome (17299271).

The spelling of 13009240 in words is "thirteen million, nine thousand, two hundred forty".