13304424 has 32 divisors (see below), whose sum is σ = 38013120. Its totient is φ = 3801216.

The previous prime is 13304411. The next prime is 13304429. The reversal of 13304424 is 42440331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 13304424.

It is not an unprimeable number, because it can be changed into a prime (13304429) 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, 39429 + ... + 39764.

It is an arithmetic number, because the mean of its divisors is an integer number (1187910).

Almost surely, 2^13304424 is an apocalyptic number.

13304424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13304424 is an abundant number, since it is smaller than the sum of its proper divisors (24708696).

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

13304424 is a wasteful number, since it uses less digits than its factorization.

13304424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79209 (or 79205 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 13304424 is about 3647.5229951297. The cubic root of 13304424 is about 236.9547172650.

Adding to 13304424 its reverse (42440331), we get a palindrome (55744755).

The spelling of 13304424 in words is "thirteen million, three hundred four thousand, four hundred twenty-four".