13140217 has 8 divisors (see below), whose sum is σ = 13603392. Its totient is φ = 12682800.

The previous prime is 13140209. The next prime is 13140221. The reversal of 13140217 is 71204131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13140217 - 2³ = 13140209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13140194 and 13140203.

It is not an unprimeable number, because it can be changed into a prime (13140317) 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, 3492 + ... + 6202.

It is an arithmetic number, because the mean of its divisors is an integer number (1700424).

Almost surely, 2^13140217 is an apocalyptic number.

It is an amenable number.

13140217 is a deficient number, since it is larger than the sum of its proper divisors (463175).

13140217 is a wasteful number, since it uses less digits than its factorization.

13140217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2879.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 13140217 is about 3624.9437237011. The cubic root of 13140217 is about 235.9758246327.

Adding to 13140217 its reverse (71204131), we get a palindrome (84344348).

The spelling of 13140217 in words is "thirteen million, one hundred forty thousand, two hundred seventeen".