13320424 has 32 divisors (see below), whose sum is σ = 27054720. Its totient is φ = 6111936.

The previous prime is 13320409. The next prime is 13320431. The reversal of 13320424 is 42402331.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27109 + ... + 27595.

It is an arithmetic number, because the mean of its divisors is an integer number (845460).

Almost surely, 2^13320424 is an apocalyptic number.

It is an amenable number.

13320424 is an abundant number, since it is smaller than the sum of its proper divisors (13734296).

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

13320424 is a wasteful number, since it uses less digits than its factorization.

13320424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 765 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13320424 is about 3649.7156053589. The cubic root of 13320424 is about 237.0496670522.

Adding to 13320424 its reverse (42402331), we get a palindrome (55722755).

The spelling of 13320424 in words is "thirteen million, three hundred twenty thousand, four hundred twenty-four".