13140067 has 4 divisors (see below), whose sum is σ = 13362840. Its totient is φ = 12917296.

The previous prime is 13140047. The next prime is 13140079. The reversal of 13140067 is 76004131.

13140067 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13140067 - 2¹¹ = 13138019 is a prime.

It is a super-2 number, since 2×13140067² = 345322721528978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111298 + ... + 111415.

It is an arithmetic number, because the mean of its divisors is an integer number (3340710).

Almost surely, 2^13140067 is an apocalyptic number.

13140067 is a deficient number, since it is larger than the sum of its proper divisors (222773).

13140067 is an equidigital number, since it uses as much as digits as its factorization.

13140067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222772.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 13140067 is about 3624.9230336657. The cubic root of 13140067 is about 235.9749267148.

Adding to 13140067 its reverse (76004131), we get a palindrome (89144198).

The spelling of 13140067 in words is "thirteen million, one hundred forty thousand, sixty-seven".