13424256 has 96 divisors (see below), whose sum is σ = 39673920. Its totient is φ = 4354560.

The previous prime is 13424231. The next prime is 13424263. The reversal of 13424256 is 65242431.

It is a tau number, because it is divible by the number of its divisors (96).

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, 49401 + ... + 49671.

It is an arithmetic number, because the mean of its divisors is an integer number (413270).

Almost surely, 2^13424256 is an apocalyptic number.

13424256 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 13424256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19836960).

13424256 is an abundant number, since it is smaller than the sum of its proper divisors (26249664).

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

13424256 is a wasteful number, since it uses less digits than its factorization.

13424256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 319 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 13424256 is about 3663.9126627145. The cubic root of 13424256 is about 237.6640034357.

Adding to 13424256 its reverse (65242431), we get a palindrome (78666687).

It can be divided in two parts, 1342425 and 6, that added together give a palindrome (1342431).

The spelling of 13424256 in words is "thirteen million, four hundred twenty-four thousand, two hundred fifty-six".