13245232340 has 12 divisors (see below), whose sum is σ = 27814987956. Its totient is φ = 5298092928.

The previous prime is 13245232289. The next prime is 13245232381. The reversal of 13245232340 is 4323254231.

It is a happy number.

13245232340 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 6667049104 + 6578183236 = 81652^2 + 81106^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331130789 + ... + 331130828.

It is an arithmetic number, because the mean of its divisors is an integer number (2317915663).

Almost surely, 2^13245232340 is an apocalyptic number.

13245232340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13245232340 is an abundant number, since it is smaller than the sum of its proper divisors (14569755616).

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

13245232340 is a wasteful number, since it uses less digits than its factorization.

13245232340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662261626 (or 662261624 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 13245232340 its reverse (4323254231), we get a palindrome (17568486571).

The spelling of 13245232340 in words is "thirteen billion, two hundred forty-five million, two hundred thirty-two thousand, three hundred forty".