13071340 has 24 divisors (see below), whose sum is σ = 27800640. Its totient is φ = 5161728.

The previous prime is 13071329. The next prime is 13071343. The reversal of 13071340 is 4317031.

It is not an unprimeable number, because it can be changed into a prime (13071343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2557 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (1158360).

Almost surely, 2^13071340 is an apocalyptic number.

13071340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13071340 is an abundant number, since it is smaller than the sum of its proper divisors (14729300).

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

13071340 is a wasteful number, since it uses less digits than its factorization.

13071340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8361 (or 8359 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13071340 is about 3615.4308180354. The cubic root of 13071340 is about 235.5627977613.

Adding to 13071340 its reverse (4317031), we get a palindrome (17388371).

The spelling of 13071340 in words is "thirteen million, seventy-one thousand, three hundred forty".