13000340 has 12 divisors (see below), whose sum is σ = 27300756. Its totient is φ = 5200128.

The previous prime is 13000333. The next prime is 13000349. The reversal of 13000340 is 4300031.

13000340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8133904 + 4866436 = 2852^2 + 2206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324989 + ... + 325028.

It is an arithmetic number, because the mean of its divisors is an integer number (2275063).

Almost surely, 2^13000340 is an apocalyptic number.

13000340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13000340 is an abundant number, since it is smaller than the sum of its proper divisors (14300416).

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

13000340 is a wasteful number, since it uses less digits than its factorization.

13000340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650026 (or 650024 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 13000340 is about 3605.5984246724. The cubic root of 13000340 is about 235.1355186357.

Adding to 13000340 its reverse (4300031), we get a palindrome (17300371).

The spelling of 13000340 in words is "thirteen million, three hundred forty", and thus it is an aban number.