13242368 has 52 divisors (see below), whose sum is σ = 27423468. Its totient is φ = 6389760.

The previous prime is 13242367. The next prime is 13242377. The reversal of 13242368 is 86324231.

It can be written as a sum of positive squares in 2 ways, for example, as 4194304 + 9048064 = 2048^2 + 3008^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13242368.

It is not an unprimeable number, because it can be changed into a prime (13242367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217058 + ... + 217118.

Almost surely, 2^13242368 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 13242368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13711734).

13242368 is an abundant number, since it is smaller than the sum of its proper divisors (14181100).

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

13242368 is an frugal number, since it uses more digits than its factorization.

13242368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 116 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 13242368 is about 3639.0064578124. The cubic root of 13242368 is about 236.5857326467.

Adding to 13242368 its reverse (86324231), we get a palindrome (99566599).

The spelling of 13242368 in words is "thirteen million, two hundred forty-two thousand, three hundred sixty-eight".