13006340 has 12 divisors (see below), whose sum is σ = 27313356. Its totient is φ = 5202528.

The previous prime is 13006333. The next prime is 13006361. The reversal of 13006340 is 4360031.

It can be written as a sum of positive squares in 2 ways, for example, as 8375236 + 4631104 = 2894^2 + 2152^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325139 + ... + 325178.

It is an arithmetic number, because the mean of its divisors is an integer number (2276113).

Almost surely, 2^13006340 is an apocalyptic number.

13006340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13006340 is an abundant number, since it is smaller than the sum of its proper divisors (14307016).

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

13006340 is a wasteful number, since it uses less digits than its factorization.

13006340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650326 (or 650324 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13006340 is about 3606.4303681064. The cubic root of 13006340 is about 235.1716868212.

Adding to 13006340 its reverse (4360031), we get a palindrome (17366371).

The spelling of 13006340 in words is "thirteen million, six thousand, three hundred forty".