13443284 has 12 divisors (see below), whose sum is σ = 24161844. Its totient is φ = 6539904.

The previous prime is 13443263. The next prime is 13443301. The reversal of 13443284 is 48234431.

It can be written as a sum of positive squares in 2 ways, for example, as 10627600 + 2815684 = 3260^2 + 1678^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45269 + ... + 45564.

It is an arithmetic number, because the mean of its divisors is an integer number (2013487).

Almost surely, 2^13443284 is an apocalyptic number.

It is an amenable number.

13443284 is a deficient number, since it is larger than the sum of its proper divisors (10718560).

13443284 is a wasteful number, since it uses less digits than its factorization.

13443284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90874 (or 90872 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 13443284 is about 3666.5084208276. The cubic root of 13443284 is about 237.7762414538.

The spelling of 13443284 in words is "thirteen million, four hundred forty-three thousand, two hundred eighty-four".