13230340 has 12 divisors (see below), whose sum is σ = 27783756. Its totient is φ = 5292128.

The previous prime is 13230307. The next prime is 13230341. The reversal of 13230340 is 4303231.

It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 4194304 = 3006^2 + 2048^2 .

It is not an unprimeable number, because it can be changed into a prime (13230341) 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, 330739 + ... + 330778.

It is an arithmetic number, because the mean of its divisors is an integer number (2315313).

Almost surely, 2^13230340 is an apocalyptic number.

13230340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230340 is an abundant number, since it is smaller than the sum of its proper divisors (14553416).

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

13230340 is a wasteful number, since it uses less digits than its factorization.

13230340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661526 (or 661524 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13230340 is about 3637.3534334733. The cubic root of 13230340 is about 236.5140809302.

Adding to 13230340 its reverse (4303231), we get a palindrome (17533571).

The spelling of 13230340 in words is "thirteen million, two hundred thirty thousand, three hundred forty".