13247424 has 84 divisors (see below), whose sum is σ = 38501320. Its totient is φ = 4354560.

The previous prime is 13247417. The next prime is 13247453. The reversal of 13247424 is 42474231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62679 + ... + 62889.

Almost surely, 2^13247424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13247424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19250660).

13247424 is an abundant number, since it is smaller than the sum of its proper divisors (25253896).

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

13247424 is a wasteful number, since it uses less digits than its factorization.

13247424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338 (or 325 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 13247424 is about 3639.7010866279. The cubic root of 13247424 is about 236.6158386736.

The spelling of 13247424 in words is "thirteen million, two hundred forty-seven thousand, four hundred twenty-four".