13216248 has 48 divisors (see below), whose sum is σ = 37681800. Its totient is φ = 4173120.

The previous prime is 13216243. The next prime is 13216249. The reversal of 13216248 is 84261231.

13216248 is a `hidden beast` number, since 1 + 32 + 1 + 624 + 8 = 666.

It is a super-2 number, since 2×13216248² = 349338422395008, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13216241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3463 + ... + 6198.

Almost surely, 2^13216248 is an apocalyptic number.

13216248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13216248 is an abundant number, since it is smaller than the sum of its proper divisors (24465552).

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

13216248 is a wasteful number, since it uses less digits than its factorization.

13216248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9692 (or 9685 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 13216248 is about 3635.4157946513. The cubic root of 13216248 is about 236.4300785420.

Adding to 13216248 its reverse (84261231), we get a palindrome (97477479).

It can be divided in two parts, 1321 and 6248, that added together give a square (7569 = 87²).

The spelling of 13216248 in words is "thirteen million, two hundred sixteen thousand, two hundred forty-eight".