13243380 has 48 divisors (see below), whose sum is σ = 39036480. Its totient is φ = 3345408.

The previous prime is 13243339. The next prime is 13243381. The reversal of 13243380 is 8334231.

13243380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13243380² = 350774227648800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13243380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243381) 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, 4669 + ... + 6948.

It is an arithmetic number, because the mean of its divisors is an integer number (813260).

Almost surely, 2^13243380 is an apocalyptic number.

13243380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13243380 is an abundant number, since it is smaller than the sum of its proper divisors (25793100).

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

13243380 is a wasteful number, since it uses less digits than its factorization.

13243380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11648 (or 11646 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 13243380 is about 3639.1455040985. The cubic root of 13243380 is about 236.5917592290.

The spelling of 13243380 in words is "thirteen million, two hundred forty-three thousand, three hundred eighty".