13171340 has 48 divisors (see below), whose sum is σ = 34047552. Its totient is φ = 4167936.

The previous prime is 13171321. The next prime is 13171343. The reversal of 13171340 is 4317131.

It is a happy number.

13171340 is digitally balanced in base 2, because in such base 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 (20).

It is not an unprimeable number, because it can be changed into a prime (13171343) 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, 1799 + ... + 5438.

It is an arithmetic number, because the mean of its divisors is an integer number (709324).

Almost surely, 2^13171340 is an apocalyptic number.

13171340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13171340 is an abundant number, since it is smaller than the sum of its proper divisors (20876212).

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

13171340 is a wasteful number, since it uses less digits than its factorization.

13171340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266 (or 7264 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 13171340 is about 3629.2340789759. The cubic root of 13171340 is about 236.1619830203.

Adding to 13171340 its reverse (4317131), we get a palindrome (17488471).

The spelling of 13171340 in words is "thirteen million, one hundred seventy-one thousand, three hundred forty".