13443480 has 96 divisors (see below), whose sum is σ = 44226000. Its totient is φ = 3541248.

The previous prime is 13443467. The next prime is 13443487. The reversal of 13443480 is 8434431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38346 + ... + 38694.

Almost surely, 2^13443480 is an apocalyptic number.

13443480 is a gapful number since it is divisible by the number (10) 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 13443480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22113000).

13443480 is an abundant number, since it is smaller than the sum of its proper divisors (30782520).

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

13443480 is a wasteful number, since it uses less digits than its factorization.

13443480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 13443480 is about 3666.5351491565. The cubic root of 13443480 is about 237.7773970226. Note that the first 3 decimals are identical.

The spelling of 13443480 in words is "thirteen million, four hundred forty-three thousand, four hundred eighty".