13331456 has 44 divisors (see below), whose sum is σ = 27315168. Its totient is φ = 6500352.

The previous prime is 13331453. The next prime is 13331471. The reversal of 13331456 is 65413331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47990 + ... + 48266.

Almost surely, 2^13331456 is an apocalyptic number.

13331456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13331456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13657584).

13331456 is an abundant number, since it is smaller than the sum of its proper divisors (13983712).

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

13331456 is an equidigital number, since it uses as much as digits as its factorization.

13331456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 326 counting only the distinct ones).

The product of its digits is 3240, while the sum is 26.

The square root of 13331456 is about 3651.2266431981. The cubic root of 13331456 is about 237.1150906530.

Adding to 13331456 its reverse (65413331), we get a palindrome (78744787).

The spelling of 13331456 in words is "thirteen million, three hundred thirty-one thousand, four hundred fifty-six".