13001340 has 48 divisors (see below), whose sum is σ = 39715200. Its totient is φ = 3151680.

The previous prime is 13001323. The next prime is 13001341. The reversal of 13001340 is 4310031.

13001340 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9190 + ... + 10509.

It is an arithmetic number, because the mean of its divisors is an integer number (827400).

Almost surely, 2^13001340 is an apocalyptic number.

13001340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13001340 is an abundant number, since it is smaller than the sum of its proper divisors (26713860).

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

13001340 is a wasteful number, since it uses less digits than its factorization.

13001340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19722 (or 19720 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13001340 is about 3605.7370952414. The cubic root of 13001340 is about 235.1415474393.

Adding to 13001340 its reverse (4310031), we get a palindrome (17311371).

The spelling of 13001340 in words is "thirteen million, one thousand, three hundred forty".