13443000 has 64 divisors (see below), whose sum is σ = 41951520. Its totient is φ = 3584000.

The previous prime is 13442993. The next prime is 13443007. The reversal of 13443000 is 34431.

It is an interprime number because it is at equal distance from previous prime (13442993) and next prime (13443007).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13443007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760 + ... + 5240.

Almost surely, 2^13443000 is an apocalyptic number.

13443000 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 13443000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20975760).

13443000 is an abundant number, since it is smaller than the sum of its proper divisors (28508520).

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

13443000 is a wasteful number, since it uses less digits than its factorization.

13443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505 (or 4491 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13443000 is about 3666.4696916789. The cubic root of 13443000 is about 237.7745670384.

Adding to 13443000 its reverse (34431), we get a palindrome (13477431).

It can be divided in two parts, 134 and 43000, that added together give a palindrome (43134).

The spelling of 13443000 in words is "thirteen million, four hundred forty-three thousand".