13243000 has 128 divisors (see below), whose sum is σ = 35380800. Its totient is φ = 4608000.

The previous prime is 13242997. The next prime is 13243001. The reversal of 13243000 is 34231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322980 + ... + 323020.

Almost surely, 2^13243000 is an apocalyptic number.

13243000 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 13243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17690400).

13243000 is an abundant number, since it is smaller than the sum of its proper divisors (22137800).

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

13243000 is a wasteful number, since it uses less digits than its factorization.

13243000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13243000 is about 3639.0932936653. The cubic root of 13243000 is about 236.5894963191.

Adding to 13243000 its reverse (34231), we get a palindrome (13277231).

The spelling of 13243000 in words is "thirteen million, two hundred forty-three thousand".