13140467 has 4 divisors (see below), whose sum is σ = 13325616. Its totient is φ = 12955320.

The previous prime is 13140461. The next prime is 13140469. The reversal of 13140467 is 76404131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76404131 = 163 ⋅468737.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13140467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92468 + ... + 92609.

It is an arithmetic number, because the mean of its divisors is an integer number (3331404).

Almost surely, 2^13140467 is an apocalyptic number.

13140467 is a deficient number, since it is larger than the sum of its proper divisors (185149).

13140467 is an equidigital number, since it uses as much as digits as its factorization.

13140467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185148.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 13140467 is about 3624.9782068310. The cubic root of 13140467 is about 235.9773211473.

Adding to 13140467 its reverse (76404131), we get a palindrome (89544598).

The spelling of 13140467 in words is "thirteen million, one hundred forty thousand, four hundred sixty-seven".