13444816 has 60 divisors (see below), whose sum is σ = 33078240. Its totient is φ = 5234880.

The previous prime is 13444763. The next prime is 13444829. The reversal of 13444816 is 61844431.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7845 + ... + 9403.

It is an arithmetic number, because the mean of its divisors is an integer number (551304).

Almost surely, 2^13444816 is an apocalyptic number.

13444816 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 13444816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16539120).

13444816 is an abundant number, since it is smaller than the sum of its proper divisors (19633424).

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

13444816 is a wasteful number, since it uses less digits than its factorization.

13444816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1579 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 13444816 is about 3666.7173329833. The cubic root of 13444816 is about 237.7852734573.

The spelling of 13444816 in words is "thirteen million, four hundred forty-four thousand, eight hundred sixteen".