13380047 has 4 divisors (see below), whose sum is σ = 14084280. Its totient is φ = 12675816.

The previous prime is 13380041. The next prime is 13380067. The reversal of 13380047 is 74008331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74008331 = 1823 ⋅40597.

It is a cyclic number.

It is not a de Polignac number, because 13380047 - 2⁶ = 13379983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13379998 and 13380025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13380041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352088 + ... + 352125.

It is an arithmetic number, because the mean of its divisors is an integer number (3521070).

Almost surely, 2^13380047 is an apocalyptic number.

13380047 is a deficient number, since it is larger than the sum of its proper divisors (704233).

13380047 is an equidigital number, since it uses as much as digits as its factorization.

13380047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704232.

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

The square root of 13380047 is about 3657.8746561357. The cubic root of 13380047 is about 237.4028234021.

Adding to 13380047 its reverse (74008331), we get a palindrome (87388378).

The spelling of 13380047 in words is "thirteen million, three hundred eighty thousand, forty-seven".